US has a total of 437 holidays in 2011. In the table below, you will find the details of the holidays and when they are observed. All the information display below is also available via our API as well as downloadable as a csv. Signup here to get started.

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Holiday	Date	Details
New Year's Day	Saturday, January 1, 2011	New Year's Day is the first day of the Gregorian calendar, which is widely used in many countries such as the USA.
Epiphany	Thursday, January 6, 2011	Many people in the United States annually observe Epiphany, or Three Kings’ Day, on January 6. It is a Christian observance and a public holiday in the US Virgin Islands.
Orthodox Christmas Day	Friday, January 7, 2011	Many Orthodox Christian churches in countries such as the United States observe Christmas Day on or near January 7 in the Gregorian calendar.
International Programmers' Day	Friday, January 7, 2011	Many people celebrate International Programmers’ Day on January 7, while others observe this event on the 256th day of the year, usually on September 13 or on September 12 in leap years.
Battle of New Orleans	Saturday, January 8, 2011	Battle of New Orleans is a state legal holiday in the USA
Stephen Foster Memorial Day	Thursday, January 13, 2011	Stephen Foster Memorial Day is annually observed in the United States on January 13. The day remembers the achievements of Stephen Foster, who is known as the “father of American music”.
Orthodox New Year	Friday, January 14, 2011	Many Orthodox Christian churches in countries such as the United States celebrate New Year’s Day on January 14 in the Gregorian calendar.
Lee-Jackson Day	Friday, January 14, 2011	Lee-Jackson Day is an annual state holiday in Virginia, the United States, on the Friday before Martin Luther King Day in January.
Martin Luther King Jr. Day	Monday, January 17, 2011	Martin Luther King Day marks the anniversary of the date of birth of the influential American civil right leader of the same name.
Robert E. Lee's Birthday	Monday, January 17, 2011	Robert E. Lee’s birthday is an annual official state holiday that is shared with Martin Luther King’s birthday in some parts of the US.
Idaho Human Rights Day	Monday, January 17, 2011	Idaho Human Rights Day is a state holiday in Idaho, the United States, on the third Monday of January.
Civil Rights Day	Monday, January 17, 2011	Civil Rights Day is on the third Monday of January in Arizona and New Hampshire. It honors civil rights activists such as Martin Luther King Jr.
Robert E. Lee's Birthday	Wednesday, January 19, 2011	Robert E. Lee’s birthday is an annual official state holiday that is shared with Martin Luther King’s birthday in some parts of the US.
Confederate Heroes' Day	Wednesday, January 19, 2011	On Confederate Memorial Day remembers the soldiers who died fighting for the Confederate States of America during the American Civil War (1861-1865). It is a state holiday in some parts of the United States.
Tu Bishvat/Tu B'Shevat	Thursday, January 20, 2011	Tu B’Shevat, known as the “New Year for Trees”, is a Jewish festival similar to Arbor Day.
International Day of Commemoration in Memory of the Victims of the Holocaust	Thursday, January 27, 2011	The United Nations' (UN) International Day of Commemoration in Memory of the Victims of the Holocaust remembers those who died and suffered during the Holocaust before and during World War II. It is on January 27 each year.
Kansas Day	Saturday, January 29, 2011	Kansas Day is an annual observance that commemorates the state's admission to the Union in 1861.
World Leprosy Day	Sunday, January 30, 2011	World Leprosy Day brings awareness of leprosy, also known as Hansen's disease, and ways to prevent the disease.
National Freedom Day	Tuesday, February 1, 2011	National Freedom Day in the United States is observed on February 1 each year.
First Day of Black History Month	Tuesday, February 1, 2011	First Day of Black History Month is a annual monthly observance in the USA
World Wetlands Day	Wednesday, February 2, 2011	World Wetlands Day raises awareness about the important role that the wetlands play in the environment and in our lives.
Groundhog Day	Wednesday, February 2, 2011	Many people in the United States observe Groundhog Day on February 2.
National Girls and Women in Sports Day	Wednesday, February 2, 2011	National Girls and Women in Sports Day is a observance in the USA
Lunar New Year	Thursday, February 3, 2011	Lunar New Year marks the first day of the New Year in the Chinese calendar.
World Cancer Day	Friday, February 4, 2011	World Cancer Day is an annual global event on February 4 to raise people’s awareness of cancer.
Rosa Parks Day	Friday, February 4, 2011	The life of American civil rights leader Rosa Parks is celebrated in the United States on either February 4 or December 1.
National Wear Red Day	Friday, February 4, 2011	National Wear Red Day® raises public awareness of heart disease in women and ways to avoid and combat this problem.
International Day of Zero Tolerance for Female Genital Mutilation	Sunday, February 6, 2011	The International Day of Zero Tolerance for Female Genital Mutilation is an awareness campaign to end a harmful practice that violates girls’ and women’s rights.
Ronald Reagan Day	Sunday, February 6, 2011	Ronald Reagan Day is a state observance in the USA
Super Bowl	Sunday, February 6, 2011	The Super Bowl is the championship game of the National Football League (NFL) in the United States. It is played every year in February.
Lincoln's Birthday observed	Friday, February 11, 2011	Lincoln’s Birthday is observed in the United States in honor of Abraham Lincoln, who was the nation’s 16th president and was known as the Great Emancipator.
Lincoln's Birthday	Saturday, February 12, 2011	Lincoln’s Birthday is observed in the United States in honor of Abraham Lincoln, who was the nation’s 16th president and was known as the Great Emancipator.
Georgia Day	Saturday, February 12, 2011	Georgia Day is a state observance in the USA
Valentine's Day	Monday, February 14, 2011	Valentine's Day is an occasion to celebrate romantic love.
Statehood Day	Monday, February 14, 2011	Statehood Day is a local observance in the USA
Susan B. Anthony's Birthday	Tuesday, February 15, 2011	Susan B Anthony Day is an national American observance that is legally recognized in some states.
Susan B. Anthony Day	Tuesday, February 15, 2011	Susan B Anthony Day is an national American observance that is legally recognized in some states.
The Prophet's Birthday	Wednesday, February 16, 2011	Eid Milad ul-Nabi (Mawlid or Milad-un-Nabi) commemorates the Prophet Muhammed's birthday.
Elizabeth Peratrovich Day	Wednesday, February 16, 2011	Elizabeth Peratrovich was one of the main driving forces behind the territory's Anti-Discrimination Act of 1945.
World Day of Social Justice	Sunday, February 20, 2011	The United Nations' (UN) World Day of Social Justice promotes poverty eradication, full employment and social integration. It is on February 20 each year.
International Mother Language Day	Monday, February 21, 2011	The United Nations' (UN) International Mother Language Day is annually held on February 21 to celebrate languages spoken worldwide. It also observes the human right to use these languages.
Presidents' Day	Monday, February 21, 2011	Washington's Birthday, or Presidents' Day, honors the life and work of the first president of the United States, George Washington.
Daisy Gatson Bates Day	Monday, February 21, 2011	Daisy Gatson Bates Day is a state holiday in Arkansas, the United States, on the third Monday of February. It coincides with Washington’s Birthday.
African-American Scientist and Inventor Day	Friday, February 25, 2011	African-American Scientist and Inventor Day is a state observance in the USA
George Rogers Clark Day	Friday, February 25, 2011	George Rogers Clark Day is a state observance in the USA
Linus Pauling Day	Monday, February 28, 2011	Linus Pauling Day is a state holiday on February 28 in Oregon, USA.
Self-Injury Awareness Day	Tuesday, March 1, 2011
St. David's Day	Tuesday, March 1, 2011	Many Welsh communities in the United States celebrate the life of their patron saint, St David, and their links with Wales on St David’s Day.
Town Meeting Day	Tuesday, March 1, 2011	The state of Vermont, in the USA, holds its Town Meeting Day on the first Tuesday of March each year.
First Day of Women's History Month	Tuesday, March 1, 2011	First Day of Women's History Month is a annual monthly observance in the USA
First Day of Irish American Heritage Month	Tuesday, March 1, 2011	First Day of Irish American Heritage Month is a annual monthly observance in the USA
Maha Shivaratri	Wednesday, March 2, 2011	Maha Shivratri is an annual festival dedicated to Shiva, the Hindu God of destruction. For devotees, is a day of reflection and meditation.
Texas Independence Day	Wednesday, March 2, 2011	Texas Independence Day is a legal holiday in Texas, in the United States.
Read Across America Day	Wednesday, March 2, 2011	Read Across America Day is observed in the United States on March 2 each year.
Casimir Pulaski Day	Friday, March 4, 2011	Casimir Pulaski Day is a day off for some schools and offices in Illinois, USA, on the first Monday of March each year.
Employee Appreciation Day	Friday, March 4, 2011	Employee Appreciation Day is a US unofficial observance that recognizes and appreciates employees in all industries, aimed at helping employers keep their staff.
Casimir Pulaski Day	Monday, March 7, 2011	Casimir Pulaski Day is a day off for some schools and offices in Illinois, USA, on the first Monday of March each year.
International Women's Day	Tuesday, March 8, 2011	International Women’s Day celebrates women’s achievements worldwide and throughout history.
Shrove Tuesday/Mardi Gras	Tuesday, March 8, 2011	Shrove Tuesday is traditionally known as the day prior to Lent but it also serves as a day of celebration, known as Mardi Gras.
Ash Wednesday	Wednesday, March 9, 2011	Ash Wednesday is a Christian observance that marks the first day of Lent, which is prior to Easter.
World Kidney Day	Thursday, March 10, 2011	World Kidney Day is an annual observation that attempts to raise global awareness about the importance of kidney health and tries to bring attention to the unique challenges faced by those who suffer from Chronic Kidney Disease.
Daylight Saving Time starts	Sunday, March 13, 2011	Daylight Saving Time starts in the USA
St. Patrick's Day	Thursday, March 17, 2011	St Patrick's Day marks the life and deeds of St Patrick, one of Ireland's patron saints. It is an Irish-American celebration in the USA.
Evacuation Day	Thursday, March 17, 2011	Evacuation Day in Suffolk County, Massachusetts, commemorates the first major American military victory in the Revolutionary War, which saw the British troops evacuate Boston.
Holi	Saturday, March 19, 2011	Holi is a spring festival of colors celebrated by Hindus, Sikhs and others. It celebrates the triumph of good over evil and the upcoming season of spring. The festival can last up to sixteen days.
Purim	Sunday, March 20, 2011	Purim commemorates a time when Jewish people were saved from death around the fourth century BCE, according to the Book of Esther.
French Language Day	Sunday, March 20, 2011	French Language Day is a United Nations observance in the USA
March Equinox	Sunday, March 20, 2011	March Equinox in the USA (New York)
International Day for the Elimination of Racial Discrimination	Monday, March 21, 2011	The United Nations’ (UN) International Day for the Elimination of Racial Discrimination is annually observed on March 21.
World Poetry Day	Monday, March 21, 2011	World Poetry Day celebrates poetry around the world on March 21 each year.
International Day of Nowruz	Monday, March 21, 2011	The UN’s International Day of Nowruz, also known as Nowruz, No-Ruz, No-Rooz or No Ruz, is observed on March 21 each year.
World Water Day	Tuesday, March 22, 2011	World Water Day aims to increase people's awareness of the water's importance in all aspects of life.
World Meteorological Day	Wednesday, March 23, 2011	World Meteorological Day marks the anniversary of the World Meteorological Organization's establishment on March 23, 1950.
World Tuberculosis Day	Thursday, March 24, 2011	World Tuberculosis Day is annually held on March 24 to raise awareness of tuberculosis and ways to eradicate the disease.
International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims	Thursday, March 24, 2011	March 24 is the UN’s International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
International Day of Remembrance of Slavery Victims and the Transatlantic Slave Trade	Friday, March 25, 2011	The International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade remembers the lives of Africans who were forced into slavery in North, Central and South America.
International Day of Solidarity with Detained and Missing Staff Members	Friday, March 25, 2011	The UN’s International Day of Solidarity with Detained and Missing Staff Members is annually held on March 25.
Maryland Day	Friday, March 25, 2011	Maryland Day commemorates the arrival of Lord Baltimore and the first colonists in Maryland, the United States, in the 17th century.
Prince Jonah Kuhio Kalanianaole Day observed	Friday, March 25, 2011	Prince Jonah Kuhio Kalanianaole Day is annually held in Hawaii on March 26 to honor Prince Jonah Kuhio Kalanianaole.
Earth Hour	Saturday, March 26, 2011	Earth Hour is an annual event in which many people worldwide turn their lights off on the last Saturday in March.
Prince Jonah Kuhio Kalanianaole Day	Saturday, March 26, 2011	Prince Jonah Kuhio Kalanianaole Day is annually held in Hawaii on March 26 to honor Prince Jonah Kuhio Kalanianaole.
Seward's Day	Monday, March 28, 2011	Seward’s Day is a state holiday in Alaska, in the United States, on the last Monday of March.
Wyoming Veterans Welcome Home Day	Wednesday, March 30, 2011	Wyoming Veterans Welcome Home Day is a state observance in the USA
Doctors' Day	Wednesday, March 30, 2011	Doctors' Day is a observance in the USA
Vietnam Veterans Day	Wednesday, March 30, 2011	Vietnam Veterans Day is a state observance in the USA
International Transgender Day of Visibility	Thursday, March 31, 2011	International Transgender Day of Visibility is a worldwide observance in the USA
César Chávez Day	Thursday, March 31, 2011	César Chávez Day celebrates the birthday of César Estrada Chávez.
April Fool's Day	Friday, April 1, 2011	April Fool's Day, on April 1, is a day to play practical jokes and tricks.
Pascua Florida Day observed	Friday, April 1, 2011	Pascua Florida Day, which usually falls on April 2, is a state day in Florida, USA.
World Autism Awareness Day	Saturday, April 2, 2011	World Autism Awareness Day raises an awareness of issues surrounding people, particularly children, with autism worldwide.
Pascua Florida Day	Saturday, April 2, 2011	Pascua Florida Day, which usually falls on April 2, is a state day in Florida, USA.
United Nations' Mine Awareness Day	Monday, April 4, 2011	The United Nations' International Day for Mine Awareness and Assistance in Mine Action is annually observed on April 4.
National Tartan Day	Wednesday, April 6, 2011	National Tartan Day is annually observed on April 6 to honor the major role that Scottish Americans played in the founding of the United States of America.
United Nations' World Health Day	Thursday, April 7, 2011	The World Health Organization, the United Nations' the directing and coordinating authority for health, annually highlights one of its priorities for global health on World Health Day.
Day of Remembrance of the Victims of the Rwanda Genocide	Thursday, April 7, 2011	The UN’s Day of Remembrance of the Victims of the Rwanda Genocide is observed on April 7 each year.
International Day of Human Space Flight	Tuesday, April 12, 2011	The UN’s International Day of Human Space Flight is annually held on April 12.
National Library Workers' Day	Tuesday, April 12, 2011	National Library Workers’ Day recognizes the efforts and achievements that librarians make to give Americans access to information via books, computers and other media.
Father Damien Day	Friday, April 15, 2011	Father Damien Day or Saint Damien Day is an occasion for residents of the state of Hawaii to remember the life and deeds of a Belgian missionary.
Emancipation Day observed	Friday, April 15, 2011	People celebrate the end of slavery and citizens' rights on Emancipation Day in the United States.
Emancipation Day	Saturday, April 16, 2011	People celebrate the end of slavery and citizens' rights on Emancipation Day in the United States.
Palm Sunday	Sunday, April 17, 2011	Palm Sunday in the United States celebrates Jesus Christ’s entry into Jerusalem. It is also the Sunday before Easter Sunday.
Passover Eve	Monday, April 18, 2011	Passover Eve is a Jewish holiday in the USA
Tax Day	Monday, April 18, 2011	Tax Day is the deadline for United States residents to file details of their income to the Internal Revenue Service (IRS) so that their liability for income tax can be assessed.
Patriots' Day	Monday, April 18, 2011	Patriots' Day commemorates the battles of Lexington and Concord in 1775, which were two of the earliest battles in the American Revolutionary War.
Boston Marathon	Monday, April 18, 2011	Boston Marathon is one of the world's oldest yearly marathon. It is held annually on Patriot's Day in the month of April.
Passover (first day)	Tuesday, April 19, 2011	Passover marks the Israelites' liberation from slavery and their exodus from Egypt around 3000 years ago.
Chinese Language Day	Wednesday, April 20, 2011	Chinese Language Day is a United Nations observance that celebrates one of the organization’s 6 official languages – Chinese.
Maundy Thursday	Thursday, April 21, 2011	Maundy Thursday, which is also known as Holy Thursday, is the day before Good Friday.
San Jacinto Day	Thursday, April 21, 2011	San Jacinto Day commemorates the Battle of San Jacinto in what is now Harris County, Texas.
Orthodox Good Friday	Friday, April 22, 2011	Many Orthodox Christians in the United States remember the events leading up to Jesus Christ's crucifixion on Great Friday.
Earth Day	Friday, April 22, 2011	The United Nations' International Mother Earth Day promotes environmental awareness and calls for the protection of our planet.
Good Friday	Friday, April 22, 2011	Good Friday commemorates Jesus Christ's crucifixion.
Oklahoma Day	Friday, April 22, 2011	Oklahoma Day in the United States marks the anniversary of the opening of Oklahoma's lands to European settlers.
Holy Saturday	Saturday, April 23, 2011	Holy Saturday is the day before Easter Sunday in the United States.
Orthodox Holy Saturday	Saturday, April 23, 2011	Many Orthodox Christians in the United States remember Jesus Christ’s burial and his descent into Hades on Holy Saturday.
World Book and Copyright Day	Saturday, April 23, 2011	World Book and Copyright Day is an occasion to celebrate the contribution of books and authors to our global culture and the connection between copyright and books.
World Spanish Language Day	Saturday, April 23, 2011	World Spanish Language Day is a United Nations observance in the USA
English Language Day	Saturday, April 23, 2011	English Language Day promotes the history, culture and accomplishments of the English language.
Orthodox Easter	Sunday, April 24, 2011	Many Orthodox Christians in the United States mark Easter Sunday, also known as Pascha, as the day Jesus Christ was resurrected, according to the Christian bible.
Easter Sunday	Sunday, April 24, 2011	Easter Sunday is an important day in the Christian church calendar because it celebrates Jesus Christ's resurrection, according to Christian belief.
Orthodox Easter Monday	Monday, April 25, 2011	Many Orthodox churches in the United States observe Easter Monday on the day after the Orthodox Easter Sunday date.
World Malaria Day	Monday, April 25, 2011	World Malaria Day is annually observed on April 25 to promote efforts that provide effective control of malaria worldwide.
Easter Monday	Monday, April 25, 2011	Easter Monday is the day after Easter Sunday. It is not a federal holiday in the United States of America (USA).
Arbor Day	Monday, April 25, 2011	Arbor Day is a state observance in the USA
Confederate Memorial Day	Monday, April 25, 2011	On Confederate Memorial Day remembers the soldiers who died fighting for the Confederate States of America during the American Civil War (1861-1865). It is a state holiday in some parts of the United States.
Last Day of Passover	Tuesday, April 26, 2011	The last day of Passover marks the end of the Passover period, which lasts for seven or eight days.
World Intellectual Property Day	Tuesday, April 26, 2011	World Intellectual Property Day is annually held on April 26 to increase awareness and understanding of intellectual property worldwide.
Confederate Memorial Day	Tuesday, April 26, 2011	On Confederate Memorial Day remembers the soldiers who died fighting for the Confederate States of America during the American Civil War (1861-1865). It is a state holiday in some parts of the United States.
Administrative Professionals Day	Wednesday, April 27, 2011	Administrative Professionals Day® is on the Wednesday of the last full week of April. It remembers the important role of administrative professionals.
International Girls in ICT Day	Thursday, April 28, 2011	International Girls in ICT Day is a United Nations observance in the USA
World Day for Safety and Health at Work	Thursday, April 28, 2011	The World Day for Safety and Health at Work is observed on April 28 each year.
Take our Daughters and Sons to Work Day	Thursday, April 28, 2011	Take our Daughters and Sons to Work Day is a observance in the USA
Day of Remembrance for all Victims of Chemical Warfare	Friday, April 29, 2011	The UN’s Day of Remembrance for all Victims of Chemical Warfare is annually observed on April 29.
Arbor Day	Friday, April 29, 2011	Arbor Day encourages people to plant and care for trees. In Nebraska, it falls on the last Friday of April.
Yom HaShoah	Sunday, May 1, 2011	Many people in the United States observe Yom Hashoah by remembering Holocaust victims who died during World War II.
Law Day	Sunday, May 1, 2011	Law Day in the United States is annually held on May 1.
Loyalty Day	Sunday, May 1, 2011	Loyalty Day is a special day for people to reaffirm their loyalty to the United States and to recognize the heritage of American freedom.
Lei Day	Sunday, May 1, 2011	May Day is Lei Day in Hawai'i, celebrating Hawaiian culture or the “Aloha spirit.
First Day of Military Appreciation Month	Sunday, May 1, 2011	First Day of Military Appreciation Month is a annual monthly observance in the USA
First Day of Asian Pacific American Heritage Month	Sunday, May 1, 2011	First Day of Asian Pacific American Heritage Month is a annual monthly observance in the USA
First Day of Jewish American Heritage Month	Sunday, May 1, 2011	First Day of Jewish American Heritage Month is a annual monthly observance in the USA
World Press Freedom Day	Tuesday, May 3, 2011	World Press Freedom Day focuses on the importance of the freedom of the press and freedom of expression.
National Teacher Appreciation Day	Tuesday, May 3, 2011	National Teacher Appreciation Day is a observance in the USA
Kent State Shootings Remembrance	Wednesday, May 4, 2011	Kent State Shootings Remembrance Day is a local observance in Kent, Ohio.
Rhode Island Independence Day	Wednesday, May 4, 2011	Rhode Island Independence Day is a day to celebrate the state's declaration of independence from Great Britain in 1776.
Cinco de Mayo	Thursday, May 5, 2011	'Cinco de Mayo' means "Fifth of May" in Spanish and is a festival of Mexican pride and heritage.
National Day of Prayer	Thursday, May 5, 2011	National Day of Prayer is held on the first Thursday of May each year, inviting Americans of all faiths to pray for the country and its leaders.
Kentucky Oaks	Friday, May 6, 2011	The Kentucky Oaks is a rade 1 Stakes horse race held annually on the Friday before the Kentucky Derby in May.
National Nurses Day	Friday, May 6, 2011	National Nurses Day is an occasion to honor the work of nurses.
Military Spouse Appreciation Day	Friday, May 6, 2011	Appreciate and thank all the military spouses and partners you know on Military Spouse Appreciation Day.
Kentucky Derby	Saturday, May 7, 2011	Kentucky Derby is a Grade I Stakes horse race held annually in Louisville, Kentucky in May.
National Explosive Ordnance Disposal (EOD) Day	Saturday, May 7, 2011	National Explosive Ordnance Disposal (EOD) Day is an occasion to remember those serving the profession of explosive ordnance disposal in the United States Armed Forces.
Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War	Sunday, May 8, 2011	The United Nations’ (UN) Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War is annually held over two days, from May 8-9.
World Red Cross and Red Crescent Day	Sunday, May 8, 2011	World Red Cross and Red Crescent Day is a worldwide observance in the USA
Mother's Day	Sunday, May 8, 2011	Mother's Day celebrates the role of mothers and mother figures.
Truman Day	Sunday, May 8, 2011	Truman Day is a holiday in the state of Missouri to honor Harry S Truman, the only person born in Missouri to ever become President of the United States.
Victory in Europe Day	Sunday, May 8, 2011	Victory in Europe Day is a observance in the USA
Truman Day observed	Monday, May 9, 2011	Truman Day is a holiday in the state of Missouri to honor Harry S Truman, the only person born in Missouri to ever become President of the United States.
Yom Ha'atzmaut	Tuesday, May 10, 2011	Many Jewish communities in the United States celebrate Yom Ha’Atzmaut, which is Israel’s Independence Day, on the fifth day of the month of Iyar in the Jewish calendar.
Confederate Memorial Day	Tuesday, May 10, 2011	On Confederate Memorial Day remembers the soldiers who died fighting for the Confederate States of America during the American Civil War (1861-1865). It is a state holiday in some parts of the United States.
International Nurses Day	Thursday, May 12, 2011	International Nurses Day focuses on the critical contribution of nurses around the world in maintaining public health.
Friday the 13th	Friday, May 13, 2011	Friday the 13th is a day full of superstitious beliefs in communities worldwide.
Native American Day	Friday, May 13, 2011	Native Americans' Day, on the second Monday of October, is celebrated some parts of the United States in lieu of Columbus Day.
World Migratory Bird Day	Saturday, May 14, 2011	World Migratory Bird Day is observed the second weekend of May every year.
International Day of Families	Sunday, May 15, 2011	The International Day of Families is an occasion to celebrate the importance of families to people, societies and cultures around the world.
Peace Officers Memorial Day	Sunday, May 15, 2011	Peace Officers Memorial Day is held annually in the United States on May 15 in honor of federal, state and local officers killed or disabled in the line of duty.
World Telecommunication and Information Society Day	Tuesday, May 17, 2011	World Information Society Day is celebrated each year to raise awareness of how information and communication can be beneficial for societies and economies.
Day of Vesak	Tuesday, May 17, 2011	Vesak Day is a Buddhist holiday that celebrates the birth of its founder. It is usually observed on the day of the full moon in May.
National Defense Transportation Day	Friday, May 20, 2011	National Defense Transportation Day occurs annually in the United States on the third Friday of May.
World Day for Cultural Diversity for Dialogue and Development	Saturday, May 21, 2011	The World Day for Cultural Diversity for Dialogue and Development, held on May 21, is an occasion for people to deepen their understanding of cultural diversity.
Armed Forces Day	Saturday, May 21, 2011	Armed Forces Day is a national observance in the United States on the third Saturday of May each year.
Preakness Stakes	Saturday, May 21, 2011	The Preakness Stakes is the second event in the Triple Crown and is annually held two weeks after the Kentucky Derby.
Lag BaOmer	Sunday, May 22, 2011	Many Jewish Americans observe Lag B’Omer on the 18th day of the month of Iyar in the Jewish calendar.
International Day for Biological Diversity	Sunday, May 22, 2011	The International Day for Biological Diversity is an occasion to increase the global understanding and awareness of issues and challenges around biodiversity.
National Maritime Day	Sunday, May 22, 2011	National Maritime Day is annually observed in the United States on May 22. It is a time to observe its maritime heritage, to honor those who served as merchant mariners, and to recognize the benefits of the maritime industry.
Harvey Milk Day	Sunday, May 22, 2011	Harvey Milk Day is an observance that is recognized in public schools in California, United States, on May 22 each year.
African Liberation Day	Wednesday, May 25, 2011	African Liberation Day celebrates African nations' hard-fought freedom from European colonial powers.
Emergency Medical Services for Children Day	Wednesday, May 25, 2011	Emergency Medical Services for Children (EMSC) Day is observed on the Wednesday of Emergency Medical Services (EMS) Week, May 19–25, in the United States.
National Missing Children's Day	Wednesday, May 25, 2011	National Missing Children's Day is an observation dedicated to addressing the problem of child abduction.
International Day of United Nations Peacekeepers	Sunday, May 29, 2011	The International Day of United Nations Peacekeepers is an occasion to pay tribute to people who served in United Nations (UN) peacekeeping operations.
Memorial Day	Monday, May 30, 2011	Memorial Day commemorates all Americans who have died in military service for the United States.
Decoration Day	Monday, May 30, 2011	Memorial Day commemorates all Americans who have died in military service for the United States.
Jefferson Davis' Birthday	Monday, May 30, 2011	Jefferson Davis' Birthday, also known as Jefferson Davis Day, is a state holiday in Alabama in the United States.
World No Tobacco Day	Tuesday, May 31, 2011	World No Tobacco Day draws attention to the health problems caused by tobacco use.
First Day of Pride Month	Wednesday, June 1, 2011	First Day of Pride Month is a annual monthly observance in the USA
First Day of Caribbean-American Heritage Month	Wednesday, June 1, 2011	First Day of Caribbean-American Heritage Month is a annual monthly observance in the USA
Statehood Day	Wednesday, June 1, 2011	Statehood Day marks the anniversary of the dates that Kentucky became the 15th state and Tennessee became the 16th state of the United States.
Ascension Day	Thursday, June 2, 2011	Ascension Day is the 40th day of Easter and commemorates the ascension of Jesus Christ into heaven.
Jefferson Davis' Birthday	Friday, June 3, 2011	Jefferson Davis' Birthday, also known as Jefferson Davis Day, is a state holiday in Alabama in the United States.
International Day of Innocent Children Victims of Aggression	Saturday, June 4, 2011	The United Nations' (UN) International Day of Innocent Children Victims of Aggression is observed on June 4 each year.
World Environment Day	Sunday, June 5, 2011	World Environment Day is held each year on June 5. It is one of the principal vehicles through which the United Nations (UN) stimulates worldwide awareness of the environment and enhances political attention and action.
Day of the Russian Language	Monday, June 6, 2011	Day of the Russian Language is a United Nations observance in the USA
Jefferson Davis' Birthday	Monday, June 6, 2011	Jefferson Davis' Birthday, also known as Jefferson Davis Day, is a state holiday in Alabama in the United States.
D-Day	Monday, June 6, 2011	D-Day is a special anniversary in some countries, including the United States (U.S.), to remember Allied forces’ invasion of Normandy, France, in the Second World War.
Shavuot	Wednesday, June 8, 2011	Shavuot, also known as the Festival of Weeks, is one of three major Jewish festivals.
World Oceans Day	Wednesday, June 8, 2011	World Oceans Day is annually observed on June 8 to raise awareness of the challenges humanity faces to protect the world's oceans.
Kamehameha Day observed	Friday, June 10, 2011	Kamehameha Day, held annually on June 11, honors Kamehameha the Great (Kamehameha I), the monarch who united and established the Kingdom of Hawaii.
Kamehameha Day	Saturday, June 11, 2011	Kamehameha Day, held annually on June 11, honors Kamehameha the Great (Kamehameha I), the monarch who united and established the Kingdom of Hawaii.
Belmont Stakes	Saturday, June 11, 2011	The Belmont Stakes is the third and final horse race of the Triple Crown. It is run annually five weeks after the Kentucky Derby.
Pentecost	Sunday, June 12, 2011	Many Christians in the United States observe Pentecost, also known as Whitsunday or Whit Sunday.
World Day Against Child Labour	Sunday, June 12, 2011	Poverty and injustice against widows is a world-wide problem addressed by International Widows' Day.
Loving Day	Sunday, June 12, 2011	Loving Day is a observance in the USA
Whit Monday	Monday, June 13, 2011	Many Christians in the United States will observe Whit Monday, or Pentecost Monday. It is the day after Pentecost, which is also known as Whit Sunday or Whitsunday.
World Blood Donor Day	Tuesday, June 14, 2011	On World Blood Donor Day numerous events are held worldwide to raise awareness about the importance of safe blood supplies.
Army Birthday	Tuesday, June 14, 2011	Army Birthday is a observance in the USA
Flag Day	Tuesday, June 14, 2011	Flag Day is annually held on June 14 to honor the United States flag.
World Day to Combat Desertification and Drought	Friday, June 17, 2011	The United Nations' World Day to Combat Desertification and Drought is observed worldwide on June 17 each year.
Bunker Hill Day	Friday, June 17, 2011	Bunker Hill Day commemorates the Battle of Bunker Hill, which took place on June 17, 1775 on the Charlestown Peninsula, Boston Harbor, in Massachusetts.
Juneteenth Day	Saturday, June 18, 2011	Juneteenth Day is a state observance in the USA
Juneteenth National Freedom Day	Saturday, June 18, 2011	Juneteenth National Freedom Day is a state observance in the USA
Juneteenth Independence Day	Saturday, June 18, 2011	Juneteenth Independence Day is a state observance in the USA
Juneteenth National Freedom Day	Saturday, June 18, 2011	Juneteenth National Freedom Day is a state observance in the USA
Juneteenth	Saturday, June 18, 2011	Juneteenth is a state observance in the USA
Juneteenth National Freedom Day	Saturday, June 18, 2011	Juneteenth National Freedom Day is a state observance in the USA
Juneteenth Freedom Day	Saturday, June 18, 2011	Juneteenth Freedom Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a observance in the USA
Trinity Sunday	Sunday, June 19, 2011	Trinity Sunday is the first Sunday after Pentecost and is celebrated by many Christians in the United States.
Father's Day	Sunday, June 19, 2011	Father's Day celebrates the contribution that fathers and father figures make to the lives of their children.
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Juneteenth Day	Sunday, June 19, 2011	Juneteenth Day is a state observance in the USA
Juneteenth National Freedom Day	Sunday, June 19, 2011	Juneteenth National Freedom Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
National Juneteenth Freedom Day	Sunday, June 19, 2011	National Juneteenth Freedom Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Juneteenth Independence Day	Sunday, June 19, 2011	Juneteenth Independence Day is a state observance in the USA
Juneteenth Freedom Day	Sunday, June 19, 2011	Juneteenth Freedom Day is a state observance in the USA
Emancipation Day	Sunday, June 19, 2011	Emancipation Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Juneteenth Day	Sunday, June 19, 2011	Juneteenth Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Juneteenth Freedom Day	Sunday, June 19, 2011	Juneteenth Freedom Day is a state observance in the USA
Juneteenth National Freedom Day	Sunday, June 19, 2011	Juneteenth National Freedom Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Juneteenth Celebration of Freedom Day	Sunday, June 19, 2011	Juneteenth Celebration of Freedom Day is a state observance in the USA
Juneteenth	Sunday, June 19, 2011	Juneteenth is a state observance in the USA
Emancipation Day	Sunday, June 19, 2011	Emancipation Day is a state holiday in the USA
World Refugee Day	Monday, June 20, 2011	The United Nations' World Refugee Day honors refugees' courage, strength and determination.
West Virginia Day	Monday, June 20, 2011	West Virginia Day, or WV Day, celebrates the anniversary of the creation of the state of West Virginia on June 20, 1863.
American Eagle Day	Monday, June 20, 2011	Observed annually on June 20 in 47 American states, American Eagle Day is an unofficial holiday that celebrates the removal of the American Bald Eagle from a list of "endangered species".
June Solstice	Tuesday, June 21, 2011	June Solstice in the USA (New York)
Corpus Christi	Thursday, June 23, 2011	Corpus Christi is observed in honor of the Holy Eucharist.
Public Service Day	Thursday, June 23, 2011	The United Nations’ Public Service Day celebrates the idea that democracy and successful governance depend on a competent civil service.
International Widows' Day	Thursday, June 23, 2011	Poverty and injustice against widows is a world-wide problem addressed by International Widows' Day.
Day of the Seafarer	Saturday, June 25, 2011	The Day of the Seafarer aims to acknowledge the social, and economic contribution of the millions of seafarers around the world.
International Day Against Drug Abuse and Illicit Trafficking	Sunday, June 26, 2011	The United Nations’ (UN) International Day Against Drug Abuse and Illicit Trafficking raise awareness about the dangers of illicit drugs.
International Day in Support of Victims of Torture	Sunday, June 26, 2011	The United Nations’ (UN) International Day in Support of Victims of Torture is annually observed on June 26 to remind people that human torture is not only unacceptable – it is also a crime.
Carolina Day	Tuesday, June 28, 2011	Carolina Day is a state observance in the USA
Isra and Mi'raj	Wednesday, June 29, 2011	Isra and Mi'raj (Isra Me'raj, Israa and Mi'raaj, Laylat Al-Isra wa Al-Miraj, Lailat al Miraj, Night Journey and Ascension to Heaven) marks the night when the Prophet Mohammad traveled from Mecca to Jerusalem, ascended to heaven and returned.
International Day of Cooperatives	Saturday, July 2, 2011	The United Nations' (UN) International Day of Cooperatives recognizes and reaffirms the role of cooperatives in economic, social and cultural development and in the achievement of social policy objectives.
Independence Day	Monday, July 4, 2011	On Independence Day, Americans celebrate the anniversary of publication of the Declaration of Independence from Great Britain in 1776.
World Population Day	Monday, July 11, 2011	The United Nations' (UN) World Population Day reaffirms the human right to plan for a family.
Nathan Bedford Forrest Day	Wednesday, July 13, 2011	Nathan Bedford Forrest Day is a local observance in the USA
Bastille Day	Thursday, July 14, 2011	Bastille Day is a observance in the USA
Nelson Mandela Day	Monday, July 18, 2011	Nelson Mandela International Day is annually observed on July 18 to recognize the former South African president’s contribution to peace and freedom.
Pioneer Day	Sunday, July 24, 2011	Pioneer Day is an annual state holiday in Utah in the United States. It is celebrated to honor the pioneers who demonstrated industry and bravery when they ventured to settle in a place that is now Salt Lake City.
Parents' Day	Sunday, July 24, 2011	Parents’ Day is celebrated in the United States on the fourth Sunday of July each year to recognize and promote parenting as a crucial part of families and the wider community.
Pioneer Day observed	Monday, July 25, 2011	Pioneer Day is an annual state holiday in Utah in the United States. It is celebrated to honor the pioneers who demonstrated industry and bravery when they ventured to settle in a place that is now Salt Lake City.
National Korean War Veterans Armistice Day	Wednesday, July 27, 2011	National Korean War Veterans Armistice Day is a observance in the USA
World Hepatitis Day	Thursday, July 28, 2011	World Hepatitis Day is observed on July 28 every year to raise awareness of hepatitis and encourage prevention and treatment.
International Day of Friendship	Saturday, July 30, 2011	The International Day of Friendship is annually held on July 30 to celebrate friendships worldwide.
Ramadan Starts	Monday, August 1, 2011	Many Muslims in the United States fast in the hours of daylight during Ramadan, the ninth month in the Islamic calendar.
Colorado Day	Monday, August 1, 2011	Colorado Day is an annual observance that commemorates the state’s birthday on August 1, 1876, and its history.
Coast Guard Birthday	Thursday, August 4, 2011	Coast Guard Birthday is a observance in the USA
American Family Day	Sunday, August 7, 2011	American Family Day is a state holiday in the USA
Purple Heart Day	Sunday, August 7, 2011	Purple Heart Day on August 7 commemorates the day in 1782 when General George Washington created the Purple Heart Medal – a military decoration that is awarded to those wounded or killed while serving in the United States Armed Forces.
Victory Day	Monday, August 8, 2011	Victory Day, also known as VJ Day, is an annual state holiday celebrated on the second Monday in August in Rhode Island in the United States. It marks the anniversary of the Allies’ victory over Japan during World War II.
Tisha B'Av	Tuesday, August 9, 2011	Tisha B’Av is on the ninth day of the month of Av in the Jewish calendar.
International Day of the World's Indigenous People	Tuesday, August 9, 2011	The United Nations’ (UN) International Day of the World's Indigenous People is observed on August 9 each year to promote and protect the rights of the world’s indigenous peoples.
International Youth Day	Friday, August 12, 2011	The United Nations’ (UN) International Youth Day is annually held on August 12 to celebrate the achievements of the world’s youth and to encourage their participation in enhancing society.
Raksha Bandhan	Saturday, August 13, 2011	Raksha Bandhan is a Hindu festival that is celebrated on the full moon of the Hindu month of Shravana (Shravan Poornima). The day is also sometimes referred to as Brother and Sister Day because it honors the relationship between brother and sister.
Assumption of Mary	Monday, August 15, 2011	Assumption Day is a Christian observance in the United States that is held annually on August 15. Catholics observe the Dormition (falling asleep) or the day that the Blessed Virgin Mary was received into heaven.
Bennington Battle Day	Tuesday, August 16, 2011	Bennington Battle Day is a state holiday in Vermont. It commemorates the American victory at the Battle of Bennington during the Revolutionary War in north America in 1777.
World Humanitarian Day	Friday, August 19, 2011	The United Nations’(UN) World Humanitarian Day focuses on increasing public awareness about humanitarian service worldwide and is annually observed on August 19.
Hawaii Statehood Day	Friday, August 19, 2011	Hawaii’s Statehood Day is celebrated on the third Friday of August to commemorate the anniversary of Hawaii’s statehood.
National Aviation Day	Friday, August 19, 2011	National Aviation Day is observed in the United States on August 19 each year to celebrate the history and development of the aviation.
Janmashtami	Sunday, August 21, 2011	Krishna Janmashtami is a Hindu festival that celebrates the birth of Krishna, the eighth incarnation of the god Vishnu. It is celebrated on the eighth day of the Hindu month of Bhadrava (Bhadrapada), which is usually in August or September.
National Senior Citizens Day	Sunday, August 21, 2011	National Senior Citizens Day is an observance on the third Sunday of August to honor the contributions of senior citizens in the United States.
International Day for the Remembrance of the Slave Trade and its Abolition	Tuesday, August 23, 2011	The United Nations’ (UN) International Day for the Remembrance of the Slave Trade and its Abolition is held on August 23 each year to remind people of the tragedy of the transatlantic slave trade.
Lailat al-Qadr	Friday, August 26, 2011	Laylat al Qadr is most likely to be held on one of the last 10 days of month of Ramadan in the Islamic calendar.
Women's Equality Day	Friday, August 26, 2011	Women's Equality Day on August 26 is an annual observance that commemorates the anniversary of the first time voting rights were extended to women in the United States.
Lyndon Baines Johnson Day	Saturday, August 27, 2011	Lyndon Baines Johnson Day is a state holiday in Texas in the United States on August 27 each year. It commemorates the birthday of Lyndon Baines Johnson, who was the 36th president of the USA.
International Day against Nuclear Tests	Monday, August 29, 2011	The United Nations’ (UN) International Day against Nuclear Tests is annually observed on August 29. The day raises awareness of the dangers of nuclear weapons and a closer approach to eliminating the use of those weapons.
International Day of the Victims of Enforced Disappearances	Tuesday, August 30, 2011	The International Day of the Victims of Enforced Disappearances is annually observed on August 30.
Ganesh Chaturthi	Wednesday, August 31, 2011	Ganesh Chaturthi is the great Ganesha festival that celebrates the birthday of Lord Ganesha during the Hindu Month of Bhadra, which usually falls between mid-August and mid-September. It is also known as Vinayaka Chaturthi and can last up to 10 days.
International Overdose Awareness Day	Wednesday, August 31, 2011	International Overdose Awareness Day is an annual observation which aims to raise global awareness of about the impact of drug overdose on families and communities. The campaign also attempts to remove the stigma associated with overdose.
World Sexual Health Day	Sunday, September 4, 2011	World Sexual Health Day is an annual awareness day that attempts to break down social and cultural taboos associated with sexuality and to promote sexual health around the world.
Labor Day	Monday, September 5, 2011	Labor Day is a federal holiday in the United States. It gives workers a day of rest and it celebrates their contribution to the American economy.
International Literacy Day	Thursday, September 8, 2011	The United Nations' (UN) International Literacy Day is held on September 8 each year.
California Admission Day	Friday, September 9, 2011	California Admission Day is an annual legal observance in California, in the United States.
World Suicide Prevention Day	Saturday, September 10, 2011	World Suicide Prevention Day promotes worldwide action to prevent suicides on September 10 each year.
Carl Garner Federal Lands Cleanup Day	Saturday, September 10, 2011	Carl Garner Federal Lands Cleanup Day encourages people in the United States to participate in cleaning up the federal lands. It is observed on the first Saturday after Labor Day.
Native American Day	Saturday, September 10, 2011	Native Americans' Day, on the second Monday of October, is celebrated some parts of the United States in lieu of Columbus Day.
Patriot Day	Sunday, September 11, 2011	Patriot Day is held in memory of nearly 3000 people who died during terrorist attacks in New York, Washington DC and Shanksville, Pennsylvania, in the United States.
National Grandparents Day	Sunday, September 11, 2011	National Grandparents Day is celebrated on the first Sunday of September after Labor Day in the United States.
Constitution Commemoration Day	Sunday, September 11, 2011	Constitution Day and Citizenship Day is a combined event that occurs in the United States on September 17 each year.
International Programmers' Day	Tuesday, September 13, 2011	Many people celebrate International Programmers’ Day on January 7, while others observe this event on the 256th day of the year, usually on September 13 or on September 12 in leap years.
International Day of Democracy	Thursday, September 15, 2011	The United Nations’ (UN) International Day of Democracy is observed on September 15 each year.
First Day of National Hispanic Heritage Month	Thursday, September 15, 2011	First Day of National Hispanic Heritage Month is a annual monthly observance in the USA
International Day for the Preservation of the Ozone Layer	Friday, September 16, 2011	The United Nations' (UN) International Day for the Preservation of the Ozone Layer focuses on the importance of protecting human health and the environment.
Constitution Day and Citizenship Day observed	Friday, September 16, 2011	Constitution Day and Citizenship Day is a combined event that occurs in the United States on September 17 each year.
National POW/MIA Recognition Day	Friday, September 16, 2011	National POW/MIA Recognition Day is annually observed in the United States on the third Friday of September.
Constitution Day and Citizenship Day	Saturday, September 17, 2011	Constitution Day and Citizenship Day is a combined event that occurs in the United States on September 17 each year.
Air Force Birthday	Sunday, September 18, 2011	Air Force Birthday is a observance in the USA
International Day of Peace	Wednesday, September 21, 2011	The United Nations' (UN) International Day of Peace is annually held on September 21 to recognize the efforts of individuals, organizations and governments to end conflict and promote peace.
World Maritime Day	Thursday, September 22, 2011	World Maritime Day is held on the last week of September each year, although the exact date is up to individual governments around the world.
Emancipation Day	Thursday, September 22, 2011	Emancipation Day is a state-wide observation in Ohio on September 22.
International Celebrate Bisexuality Day	Friday, September 23, 2011	International Celebrate Bisexuality Day, also known as Bi Visibility Day, promotes the rights of bisexual people around the world.
Native American Day	Friday, September 23, 2011	Native Americans' Day, on the second Monday of October, is celebrated some parts of the United States in lieu of Columbus Day.
September Equinox	Friday, September 23, 2011	September Equinox in the USA (New York)
National Public Lands Day	Saturday, September 24, 2011	National Public Lands Day is a observance in the USA
World Heart Day	Sunday, September 25, 2011	World Heart Day raises awareness of cardiovascular diseases and ways to reduce their risk.
Gold Star Mother's Day	Sunday, September 25, 2011	Gold Star Mother’s Day is annually observed in the United States on the last Sunday of September.
American Indian Day	Monday, September 26, 2011	American Indian Day is a state observance in the USA
Navratri	Tuesday, September 27, 2011	Navratri is a Hindu holiday in the USA
World Tourism Day	Tuesday, September 27, 2011	The United Nations’ (UN) World Tourism Day is annually held on September 27 to raise awareness on the benefits of tourism.
World Rabies Day	Wednesday, September 28, 2011	World Rabies Day is annually observed on September 28 to raise awareness about rabies and how it can be prevented.
Rosh Hashana	Thursday, September 29, 2011	Rosh Hashanah is the Jewish New Year. Many Jewish-run organizations in the US are closed during the two-day celebration.
American Indian Heritage Day	Friday, September 30, 2011	American Indian Heritage Day is often observed on the Friday after Thanksgiving Day in the United States.
International Day of Older Persons	Saturday, October 1, 2011	The United Nations' (UN) International Day of Older Persons is celebrated on October 1 each year as a special day for older persons worldwide.
World Vegetarian Day	Saturday, October 1, 2011	World Vegetarian Day is an annual observation that spreads awareness about the health, environmental, and ethical benefits of following a vegetarian lifestyle. The unofficial holiday encourages people to avoid eating foods that include animal products and to adopt a plant-based diet.
International Day of Non-Violence	Sunday, October 2, 2011	The United Nations’ (UN) International Day of Non-Violence is a globally observed on October 2 each year to promote non-violence.
World Habitat Day	Monday, October 3, 2011	The United Nations’ (UN) World Habitat Day reflects on the state of human settlements and people’s right to sufficient shelter.
Child Health Day	Monday, October 3, 2011	Child Health Day is annually celebrated in the United States on the first Monday of October.
Feast of St Francis of Assisi	Tuesday, October 4, 2011	Many Catholics in the United States, particularly those with pets, celebrate the Feast of St Francis of Assisi, the patron saint of animals and the environment, on October 4 each year.
World Teachers' Day	Wednesday, October 5, 2011	The United Nations' (UN) World Teachers' Day commemorates the work of teachers and their contributions to society. It is observed on October 5 each year.
Dussehra	Thursday, October 6, 2011	Dussehra is a Hindu holiday in the USA
German American Day	Thursday, October 6, 2011	German American Day is a observance in the USA
Yom Kippur	Saturday, October 8, 2011	Yom Kippur is an important Jewish holiday that falls on the 10th day of the month of Tishrei in the Jewish calendar.
World Post Day	Sunday, October 9, 2011	World Post Day marks the anniversary of the Universal Postal Union's establishment in 1874. It is held on October 9 each year.
Leif Erikson Day	Sunday, October 9, 2011	Leif Erikson Day honors the first Scandinavian known to have set foot on American soil and the contribution of the Nordic peoples to the United States.
Chicago Marathon	Sunday, October 9, 2011	The Chicago Marathon is one of the six World Marathon Majors and is held annually in October.
World Mental Health Day	Monday, October 10, 2011	World Mental Health Day, which is supported by the United Nations (UN), is annually held on October 10 to raise public awareness about mental health issues worldwide.
Columbus Day	Monday, October 10, 2011	Columbus Day celebrates 15th century explorer Christopher Columbus's arrival in America in 1492.
Fraternal Day	Monday, October 10, 2011	Fraternal Day is a state holiday in the USA
Native American Day	Monday, October 10, 2011	Native Americans' Day, on the second Monday of October, is celebrated some parts of the United States in lieu of Columbus Day.
Indigenous People's Day	Monday, October 10, 2011	Indigenous People's Day is a state observance in the USA
American Indian Heritage Day	Monday, October 10, 2011	American Indian Heritage Day is often observed on the Friday after Thanksgiving Day in the United States.
International Day of the Girl Child	Tuesday, October 11, 2011	The International Day of the Girl Child is a United Nations (UN) observance on October 11 each year.
Casimir Pulaski Day	Tuesday, October 11, 2011	Casimir Pulaski Day is a day off for some schools and offices in Illinois, USA, on the first Monday of March each year.
International Day for Natural Disaster Reduction	Wednesday, October 12, 2011	The United Nations’ (UN) International Day for Natural Disaster Reduction is annually observed on the second Wednesday of October to promote a global culture of natural disaster risk reduction.
First Day of Sukkot	Thursday, October 13, 2011	The first day of Sukkot marks the start of the Sukkot festival for Jewish communities in many countries, including the United States.
World Sight Day	Thursday, October 13, 2011	World Sight Day is annually held on the second Thursday of October to raise awareness about blindness and vision impairment.
Navy Birthday	Thursday, October 13, 2011	Navy Birthday celebrates the establishment of the United States Navy on October 13, 1775.
International Day of Rural Women	Saturday, October 15, 2011	The United Nations’ (UN) International Day of Rural Women is annually celebrated on October 15 to recognize rural women’s role in supporting their communities.
White Cane Safety Day	Saturday, October 15, 2011	White Cane Safety Day is a United States observance annually held on October 15 to celebrate blind and visually impaired people's achievements and the importance of the white cane.
Sweetest Day	Saturday, October 15, 2011	Sweetest Day is a observance in the USA
World Food Day	Sunday, October 16, 2011	World Food Day is celebrated on October 16 each year.
International Day for the Eradication of Poverty	Monday, October 17, 2011	The United Nations’ (UN) International Day for the Eradication of Poverty is annually observed on October 17 to promote awareness of the need to eradicate poverty worldwide.
Boss's Day	Monday, October 17, 2011	Boss’s Day is observed in many workplaces in the United States on October 16, or the nearest working day, each year.
Alaska Day	Tuesday, October 18, 2011	Alaska Day is an official holiday in Alaska, the United States, on October 18 each year. It commemorates the formal transfer of Alaska from Russia to the United States on October 18, 1867.
Last Day of Sukkot	Wednesday, October 19, 2011	Many Jewish communities in countries such as the United States observe the last day of Sukkot, which marks the end of the Sukkot festival.
Shmini Atzeret	Thursday, October 20, 2011	Shemini Atzeret (or Shmini Atzeret) is a Jewish holiday dedicated to the love of God, while Simchat Torah (Simchas Torah or Simhat Torah) marks the end of Sukkot and celebrates the completion of the annual reading of the Torah.
Simchat Torah	Friday, October 21, 2011	Simchat Torah (Simchas Torah or Simhat Torah) is a Jewish holiday that marks the end of Sukkot and celebrates the completion of the annual reading of the Torah.
United Nations Day	Monday, October 24, 2011	United Nations Day marks the anniversary of the United Nations Charter coming into force in 1945 and celebrates the work of this organization. United Nations Day annually falls on October 24.
World Development Information Day	Monday, October 24, 2011	The United Nations' (UN) World Development Information Day falls on October 24 each year.
Diwali/Deepavali	Wednesday, October 26, 2011	Diwali, also known as the Festival of Lights, is one of the most popular Hindu festivals.
World Day for Audiovisual Heritage	Thursday, October 27, 2011	The World Day for Audiovisual Heritage is observed on October 27 every year.
Nevada Day	Friday, October 28, 2011	Nevada Day is an annual state holiday celebrated in Nevada, the United States, on the last Friday of October. It commemorates the statehood of Nevada, which took place on October 31, 1864.
World Stroke Day	Saturday, October 29, 2011	World Stroke Day is annually held on October 29 to raise awareness about stroke and ways to combat it.
Halloween	Monday, October 31, 2011	Halloween is celebrated by hosting costume parties, playing 'trick-or-treat', watching horror films, visiting haunted houses or carving lanterns out of pumpkins.
All Saints' Day	Tuesday, November 1, 2011	Many Catholics honor all the saints on All Saints' Day, also known as All Hallows' Day, in the United States.
World Vegan Day	Tuesday, November 1, 2011	World Vegan Day is an annual observation that brings together vegans around the world to bring attention to animal rights and to spread the word about the health advantages of following a vegan diet.
First Day of Native American Heritage Month	Tuesday, November 1, 2011	First Day of Native American Heritage Month is a annual monthly observance in the USA
All Souls' Day	Wednesday, November 2, 2011	Prayers for the dead are made on All Souls’ Day in the United States, which falls on November 2 each year. The Day of the Dead is also celebrated on this day.
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict	Sunday, November 6, 2011	The United Nations’ (UN) International Day for Preventing the Exploitation of the Environment in War and Armed Conflict is held on November 6 each year.
New York City Marathon	Sunday, November 6, 2011	The New York City Marathon is one of the world's largest marathons and takes place every year in November.
Daylight Saving Time ends	Sunday, November 6, 2011	Daylight Saving Time ends in the USA
Eid al-Adha	Monday, November 7, 2011	For more than 3 millions Muslims in the US, Eid al-Adha, the Festival of Sacrifice, is one of the most important dates in the calendar.
Election Day	Tuesday, November 8, 2011	Election Day in the United States of America is the day on which popular ballots are held to select public officials.
World Science Day for Peace and Development	Thursday, November 10, 2011	The World Science Day for Peace and Development (WSDPD) is celebrated on November 10 each year.
Marine Corps Birthday	Thursday, November 10, 2011	Marine Corps Birthday celebrates the establishment of the United States Marine Corps on November 10, 1775.
Veterans Day	Friday, November 11, 2011	Veterans Day in the USA is a holiday to honor all who have served in the United States Military Services.
World Pneumonia Day	Saturday, November 12, 2011	World Pneumonia Day supports all efforts made to protect and treat people against pneumonia, the single largest cause of child deaths worldwide.
World Diabetes Day	Monday, November 14, 2011	World Diabetes Day is held annually to raise awareness of diabetes and its complications and the care that people with this condition need. It is observed on November 14 each year.
Barack Obama Day	Monday, November 14, 2011	Barack Obama Day is a local observance in the USA
International Day for Tolerance	Wednesday, November 16, 2011	The United Nations’ (UN) International Day for Tolerance is observed on November 16 each year to help people understand the importance of tolerance worldwide.
World Chronic Obstructive Pulmonary Disease Day	Wednesday, November 16, 2011	World Chronic Obstructive Pulmonary Disease (COPD) Day is held on the second or third Wednesday of November each year.
World Philosophy Day	Thursday, November 17, 2011	World Philosophy Day is celebrated on the third Thursday of November each year.
World Prematurity Day	Thursday, November 17, 2011	World Prematurity Day is an annual observance that is dedicated to raising awareness about the health and emotional issues surrounding preterm birth.
International Men's Day	Saturday, November 19, 2011	International Men’s Day celebrates men's achievements worldwide and throughout history.
George Rogers Clark Day	Saturday, November 19, 2011	George Rogers Clark Day is a state observance in the USA
World Day of Remembrance for Road Traffic Victims	Sunday, November 20, 2011	The World Day of Remembrance for Road Traffic Victims serves as a major advocacy day for road traffic injury prevention.
Universal Children's Day	Sunday, November 20, 2011	The United Nations' (UN) Universal Children's Day is an occasion to promote the welfare of children and an understanding between children all over the world. It is held on November 20 each year
Africa Industrialization Day	Sunday, November 20, 2011	Africa Industrialization Day aims to stimulate the international community's commitment to the industrialization of Africa.
Transgender Day of Remembrance	Sunday, November 20, 2011	Transgender Day of Remembrance is a worldwide observance in the USA
World Television Day	Monday, November 21, 2011	The United Nations’ (UN) World Television Day is globally celebrated on November 21 each year.
Thanksgiving Day	Thursday, November 24, 2011	Thanksgiving Day in the United States is traditionally a holiday to give thanks for the food collected at the end of the harvest season.
International Day for the Elimination of Violence against Women	Friday, November 25, 2011	The United Nations' (UN) International Day for the Elimination of Violence against Women raises public awareness of violence against women in all countries around the world and at all levels of society. It is observed each year on November 25.
Presidents' Day	Friday, November 25, 2011	Presidents' Day is a state holiday in the USA
Lincoln's Birthday	Friday, November 25, 2011	Lincoln’s Birthday is observed in the United States in honor of Abraham Lincoln, who was the nation’s 16th president and was known as the Great Emancipator.
Day After Thanksgiving	Friday, November 25, 2011	The Day After Thanksgiving, also known as Black Friday, is a state holiday more than 20 states.
Family Day	Friday, November 25, 2011	The Day After Thanksgiving, also known as Black Friday, is a state holiday more than 20 states.
Acadian Day	Friday, November 25, 2011	The Day After Thanksgiving, also known as Black Friday, is a state holiday more than 20 states.
Black Friday	Friday, November 25, 2011	Black Friday is the day after Thanksgiving Day in the USA. It is a busy shopping day and is a holiday in some states.
American Indian Heritage Day	Friday, November 25, 2011	American Indian Heritage Day is often observed on the Friday after Thanksgiving Day in the United States.
Native American Heritage Day	Friday, November 25, 2011	Native American Heritage Day is a observance in the USA
First Sunday of Advent	Sunday, November 27, 2011	Many Christians in the United States observe the first Sunday of Advent, which marks the start of the Christian year.
Muharram	Sunday, November 27, 2011	The first day of Muharram, which is the first month in the Islamic calendar, marks the start of the Islamic New Year.
Cyber Monday	Monday, November 28, 2011	Most online retailers in the US offer discounted prices on their products and services on Cyber Monday.
International Day of Solidarity with the Palestinian People	Tuesday, November 29, 2011	The United Nations’ (UN) International Day of Solidarity with the Palestinian People is annually observed on November 29.
Nellie Tayloe Ross's Birthday	Tuesday, November 29, 2011	Nellie Tayloe Ross's Birthday is a state observance in the USA
World AIDS Day	Thursday, December 1, 2011	The United Nations' (UN) World AIDS Day is annually observed on December 1.
Rosa Parks Day	Thursday, December 1, 2011	The life of American civil rights leader Rosa Parks is celebrated in the United States on either February 4 or December 1.
International Day for the Abolition of Slavery	Friday, December 2, 2011	The United Nations’ (UN) International Day for the Abolition of Slavery is annually observed on December 2.
International Day of Persons with Disabilities	Saturday, December 3, 2011	The United Nations' (UN) International Day of Persons with Disabilities is annually observed on December 3 to re-affirm and draw attention to the rights of people who live with disabilities.
International Volunteer Day for Economic and Social Development	Monday, December 5, 2011	The United Nations’ (UN) International Volunteer Day for Economic and Social Development, also known as International Volunteer Day (IVD), is observed on December 5 each year.
Ashura	Tuesday, December 6, 2011	Ashura is a Muslim in the USA
St Nicholas Day	Tuesday, December 6, 2011	Some churches in the United States recognize St Nicholas' Day as a feast day.
International Civil Aviation Day	Wednesday, December 7, 2011	International Civil Aviation Day is observed globally on December 7 each year. It is observed by organizations such as the International Civil Aviation Organization (ICAO).
Pearl Harbor Remembrance Day	Wednesday, December 7, 2011	National Pearl Harbor Remembrance Day remembers those who died or were injured when Pearl Harbor, in Hawaii, was attacked in 1941.
Delaware Day	Wednesday, December 7, 2011	Delaware Day is a state observance in the USA
Feast of the Immaculate Conception	Thursday, December 8, 2011	The Feast of the Immaculate Conception is a Christian observance on December 8 each year.
International Anti-Corruption Day	Friday, December 9, 2011	The United Nations’ (UN) International Anti-Corruption Day is annually observed on December 9 to raise public awareness of corruption and ways to fight it.
Human Rights Day	Saturday, December 10, 2011	Human Rights Day marks the anniversary of when the Universal Declaration of Human Rights was proclaimed.
Wyoming Day	Saturday, December 10, 2011	Wyoming Day is a state observance in the USA
International Mountain Day	Sunday, December 11, 2011	The United Nations' (UN) International Mountain Day is an occasion to help raise awareness of the people who live in mountainous regions and the role that these regions play in providing food, water, and recreation. It is observed on December 11 each year.
Feast of Our Lady of Guadalupe	Monday, December 12, 2011	The Feast of Our Lady Guadalupe, in honor of Jesus’ mother Mary, is a Catholic observance in the United States.
National Guard Birthday	Tuesday, December 13, 2011	National Guard Birthday is a observance in the USA
Bill of Rights Day	Thursday, December 15, 2011	Bill of Rights Day is a observance in the USA
Pan American Aviation Day	Saturday, December 17, 2011	December 17 marks Pan American Aviation Day, which is annually observed in the United States.
Wright Brothers Day	Saturday, December 17, 2011	The Wright Brothers Day is annually celebrated in the United States on December 17 to commemorate the historic flight made by Orville and Wilbur Wright on that date in 1903.
International Migrants Day	Sunday, December 18, 2011	The United Nations (UN) International Migrants Day is celebrated on December 18 each year.
Arabic Language Day	Sunday, December 18, 2011	World Arabic Language Day is a United Nations (UN) observance that celebrates one of the organization’s 6 official languages – Arabic.
International Day for South-South Cooperation	Monday, December 19, 2011	The United Nations Day for South-South Cooperation is observed on September 12 each year.
International Human Solidarity Day	Tuesday, December 20, 2011	The United Nations' (UN) International Human Solidarity Day is celebrated on December 20 each year to raise public awareness on the importance of solidarity in fighting poverty.
Chanukah/Hanukkah (first day)	Wednesday, December 21, 2011	The first day of Hanukkah is the start of the Hanukkah period, which lasts for eight days, from the 25th day of the month of Kislev to the second day of Tevet in the Hebrew calendar.
December Solstice	Thursday, December 22, 2011	December Solstice in the USA (New York)
Christmas Eve observed	Friday, December 23, 2011	Christmas Eve in the United States is on December 24 each year.
Washington's Birthday	Friday, December 23, 2011	Washington's Birthday is a state holiday in the USA
Christmas Eve	Saturday, December 24, 2011	Christmas Eve in the United States is on December 24 each year.
Christmas Day	Sunday, December 25, 2011	Christmas Day celebrates Jesus Christ's birth.
Kwanzaa (first day)	Monday, December 26, 2011	Kwanzaa is a week-long holiday honoring the culture and traditions of African people and their descendants worldwide, especially in the United States.
Christmas Day (substitute)	Monday, December 26, 2011	Christmas Day celebrates Jesus Christ's birth.
Day After Christmas Day	Monday, December 26, 2011	Some states in the United States observe the Day after Christmas Day as a public holiday.
Washington's Birthday	Monday, December 26, 2011	Washington's Birthday is a state holiday in the USA
Last Day of Chanukah	Wednesday, December 28, 2011	The last day of Hanukkah marks the end of a festive Jewish occasion, known as Hanukkah or Chanukah.
New Year's Eve	Saturday, December 31, 2011	New Year's Eve is the last day of the year in the Gregorian calendar. Many parties to welcome the New Year are held in in the United States on New Year's Eve.