| Holiday name | Holiday location | Holiday type |
|---|---|---|
| Fiji Day | Fiji | Public holiday |
| Curaçao Day | Curacao | Public holiday |
| Beginning of the War of Independence | Cuba | National holiday |
| World Mental Health Day | - | International |
| World Mental Health Day | United states | United nations observance |
| Shmini Atzeret | Multiple [Show] | Jewish holiday |
| Day of the Maroons | Suriname | Public holiday |
| Party Foundation Day | North korea | Public holiday |
| Shmini Atzeret/Simchat Torah | Israel | National holiday, hebrew |
| National Day/Double Tenth Day | Taiwan | National holiday |
| National Angel Food Cake Day | - | Weird |
| National Cake Decorating Day | - | Weird |
| National Handbag Day | - | Weird |
| National Chess Day | - | Weird |
| National Costume Swap Day | - | Weird |
| National Motorcycle Ride Day | - | Weird |
| I Love Yarn Day | - | Weird |
| Shemini Atzeret | Multiple [Show] | Multiple Types |
| Birthday of the Governor of Sarawak | Malaysia (Sarawak) | Common local holiday |
| Plebiscite Day | Austria (Carinthia) | State holiday |
| Moi Day | Kenya | Public holiday |
Historical Events on October 10
- 1845: The Naval School in Annapolis, Maryland that later was renamed the U.S Naval Academy, opens up on this day with 7 professors and about 50 students.
- 1846: English astronomer William Lassell discovers the largest moon of the planet Neptune – the moon later named Triton.
- 1871: After a mishap at a barn, a fire rages across Chicago and would last a total of three days.
- 1903: Emmeline Pankhurst founds the Women’s Social and Political Union.
- 1953: A Mutual Defense Treaty is formalized between the U.S and the Republic of Korea in Washington, D.C.
- 1957: United States President Dwight D. Eisenhower issues a formal apology to the finance minister of Ghana – Komla Agbeli Gbedemah – when he is refused service in a Dover, Delaware restaurant.
- 1963: The Partial Nuclear Test Ban Treaty begins.
- 1967: The Outer Space Treaty begins. This treaty was signed on January 27th by 60+ nations and establishes international space law.
- 1971: The 19th century “New London Bridge” is sold, disassembled and shipped to the U.S. It now resides in Lake Havasu City, Nevada.
- 1973:S. Vice President Spiro Agnew resigns after allegations of him evading Federal income taxes.
Famous Birthdays on October 10
- Isabella II of Spain is born in 1830.
- American colonel Robert Gould Shaw is born in 1837.
- American painter Maurice Prendergast is born in 1858.
- Norwegian explorer and Nobel Prize laureate Fridtjof Nansen is born in 1861.
- Australian author, poet and journalist Louise Mack is born in 1870.
- English playwright,screenwriter and Nobel Prize laureate, Harold Pinter is born in 1930.
- German physicists, chemist and Nobel Prize laureate, Gerhard Ertle is born in 1936.
- American novelist and short story writer, Lily Tuck is born in 1938.
- American actor, screenwriter and director Peter Coyote is born in 1941.
- American singer-songwriter David Lee Roth is born in 1954.
- Japanese author and illustrator Rumiko Takahashi is born in 1957.
- American singer-songwriter Tanya Tucker is born in 1958.
