| Holiday name | Holiday location | Holiday type |
|---|---|---|
| California Admission Day | United states (California) | Local Observance |
| First Day of Ashura | Lebanon | Public Holiday |
| First Day of Ashura | Pakistan | Public Holiday |
| Tassoua | Iran | National Holiday |
| Independence Day | Tajikistan | Public Holiday |
| Day of Achura | Algeria | Public Holiday |
| Day of Asturias observed | Spain (Asturias) | Local Holiday |
| Day of Extremadura observed | Spain (Extremadura) | Local Holiday |
| Children´s Day | Costa rica | Observance |
| National Day | North korea | Public Holiday |
| Day of the Victims of Holocaust and of racial violence | Slovakia | Observance |
| Knabenschiessen | Switzerland (Zurich) | Observance |
| National Teddy Bear Day | - | Unofficial |
| Care Bears Share Your Care Day | - | Unofficial |
| National Wiener Schnitzel Day | - | Unofficial |
| National Boss/Employee Exchange Day | - | Unofficial |
| Ashoora | Bahrain | National Holiday |
| The Yang di-Pertuan Agong's Birthday | Malaysia | Federal Public Holiday |
| Chuseok Harvest Festival | North korea | Public Holiday |
| Independence Day observed | North Macedonia | National Holiday |
| Virgin of the Victory observed | Spain (Melilla) | Local Holiday |
Historical Events on September 9
- 1543: Mary Stuart – who would later become known as Queen of Scots – is crowned Queen in Stirling, Scotland.
- 1739: One of the largest slave uprisings to occur before the American Revolution, happens near Charleston, South Carolina. It will become known as the Stono Rebellion.
- 1776: The Continental Congress finally decides to officially name its conglomeration of states the United States of America.
- 1791: The seat of political power in the United States, the capital, is named Washington, D.C after President George Washington – the first President of the United States.
- 1839: The first photograph taken using a glass plate is taken by John Herschel on this day.
- 1850: California officially becomes the 31st state of the United States of America.
- 1855: Russian forces abandon the city of Sevastopol and thereby end the Siege of Sevastopol during the Crimean War.
- 1863: Union forces enter the city of Chattanooga, Tennessee during the American Civil War.
- 1939: During WWII, the Battle of Hel starts.
- 1940: The first remote operation of a computer is pioneered by George Stibitz.
- 1942: During WWII, Japan commissions a float plane which drops incendiary bombs on Oregon on this day.
- 1943: The Allies invade Italy and land at Taranto and Salerno, Italy during World War II.
- 1945: Japan formally surrenders to China on this day.
- 1947: A moth is found lodged in a relay of the Mark II Computer at Harvard University. From this day on, any computer problem would be known as a computer bug.
- 1965: The United States creates the U.S Department of Housing and Urban Development on this day.
- 1966: United States’ President Lyndon B. Johnson signs the National Traffic and Motor Vehicle Safety Acts into law.
Famous Birthdays on September 9
- American paleontologist Joseph Leidy is born in 1823.
- Russian author and playwright Leo Tolstoy is born in 1828.
- English Author Joseph Henry Shorthouse is born in 1834.
- American author Leon Edel is born in 1907.
- Italian author and poet Cesare Pavese is born in 1908.
- Japanese admiral Shigekazu Shimazaki is born in 1908.
- American actress Jane Greer is born in 1924.
- Native American educator, poet and author Louise Albeita is born in 1926.
- British actor Hugh Grant is born in 1960.
- American author Kimberly Willis Holt is born in 1960.
- American golfer Skip Kendall is born in 1964.
