| Holiday name | Holiday location | Holiday type |
|---|---|---|
| Unimwane Day | Kiribati | Public Holiday |
| Naadam Holiday (National Day) | Mongolia | Public Holiday |
| Sultan's Birthday | Brunei | Public Holiday |
| Gummi Worm Day | - | Unofficial (Food & Drinks) |
| Saint Vladimir | - | Christian |
| National Give Something Away Day | - | Unofficial (Activity & Action) |
| National I Love Horses Day | - | Unofficial (Animals) |
| National Tapioca Pudding Day | - | Unofficial (Food & Drinks) |
| National Pet Fire Safety Day | - | Unofficial (Animals) |
| National Get Out of the Dog House Day | - | Unofficial (Weird & Obscure) |
| Orangemen's Day | Canada (Newfoundland And Labrador) | Local Holiday |
| Sea Day | Japan | National Holiday |
| Democracy and National Unity Day | Turkey | National Holiday |
| President's Day | Botswana | Public Holiday |
| World Youth Skills Day | - | International (Work & Occupation, United Nations) |
Historical Events on July 15
- 1799: In the Egyptian village of Rosetta, the Rosetta Stone is discovered by Captain Pierre-Francois Bouchard.
- 1806: To explore the West, U.S Army Lieutenant Zebulon Pike leaves from Fort Bellefontain – around the city of St. Louis in Missour – on an expedition of exploration.
- 1815: On board the HMS Bellerphon, Napoleon Bonapart surrenders during the Napoleonic Wars.
- 1838: The Divinity School Address is delivered at Harvard Divinity School by Ralph Waldo Emerson. This speech – which denounced the divinity of Jesus and Biblical miracles – outrages the Protestant community.
- 1862: The CSS Arkansas severely damages 3 Union ships but also takes quite a bit of damage herself.
- 1870: Georgia becomes the last Confederate State to be readmitted into the Union on this date.
- 1888: Mount Bandai erupts on this date. Approximately 500 people are killed in Fujushima, Japan.
- 1916: Pacific Aero Products is incorporated by George Conrad Westervelt and William Boeing in Seattle, Washington. It would late be renamed Boeing.
- 1918: The Germans strike during the Second Battle of the Marne during World War 2.
- 1927: 89 protesters in Vienna by Austrian police forces. This day would become known as the Massacre of July 15th.
- 1954: The prototype of the Boeing 367-80 flies for the first time.
- 2002: American Taliban John Walker Lindh pleads guilty to giving aid to the enemies of the United States and for possession of explosives.
- 2002: British born Ahmed Omar Saeed Sheikh is sentenced to death by an Anti-Terrorism Court of Pakistan.
- 2003: Netscape is disbanded by AOL Time Warner.
- 2006: Twitter is launched on this day.
Famous Birthdays on July 15
- Dutch painter Rembrandt is born in 1606.
- American mythologist Thomas Bulfinch is born in 1796.
- American novelist and screenwriter, Richard Russo is born in 1949.
- Greek-American journalist and publisher, Arianna Huffington is born in 1950.
- American actor Terry O’Quinn is born in 1952.
- American special effects designer and actor, Adam Savage is born in 1967.
- American comedian and actor, Eddie Griffin is born in 1968.
- American actor Scott Foley is born in 1972.
