| Holiday name | Holiday location | Holiday type |
|---|---|---|
| Falkland Day | Falkland Islands | Observance |
| Anniversary of the Recovery Oued Ed-Dahab | Morocco | National Holiday |
| National Creamsicle Day | - | Unofficial (Food & Drinks) |
| Carnival (First Day) | Grenada | Public Holiday |
| Victory Day | United States (Rhode Island) | State Holiday |
| Father's Day | Samoa | Public Holiday |
| Vigil of Assumption Day | Holy See (Vatican City) | National Holiday |
| Heroes' Day | Zimbabwe | Public Holiday |
Historical Events on August 14
- 1352: The French are defeated by the Anglo-Bretons during the Battle of Mauron – a battle which took place during the War of Breton Succession.
- 1370: Holy Roman Emperor Charles IV grants city privileges to Carlsbad.
- 1480: 800 Christians are beheaded by Ottoman troops for refusing to covert to Islam during the Battle of Otranto.
- 1816: The UK annexes the Tristan da Cunha archipelago.
- 1842: The Second Seminole War Ends during the American Indian Wars and Seminoles are forced to Oklahoma from their Florida homes.
- 1848: The United States Congress passes an act which organizes the Oregon Territory.
- 1880: The most famous landmark in Cologne, Germany – the Cologne Cathedral – is finished on this date.
- 1935: U.S President Franklin Delano Roosevelt signs the Social Security Act into law. This act created a government pension for retired individuals.
- 1936: The last known public execution in the U.S takes place on this date when Rainey Bethea is hanged in Owensboro, Kentucky.
- 1941: Franklin D. Roosevelt and Winston Churchill sign the Atlantic Charter of War.
- 1945: Japan accepts Allied terms and surrenders during World War II.
- 1973: The Constitution of Pakistan takes effect on this date.
- 1975: The Rocky Horror Picture Show opens in London.
- 1994: Carlos the Jackal – otherwise known as Ilich Ramírez Sánchez – is captured.
- 2003: A rolling power blackout occurs over parts of Canada and the northeast U.S.
- 2007: 334 people are killed by bombings in Kahtaniya.
- 2015: The United States Embassy in Havana, Cuba reopens after 54 years of it being closed. It was closed when U.S-Cuban relations ended.
Famous Birthdays on August 14
- American actress Halle Berry is born in 1966.
- English-American actress Catherine Bell is born in 1968.
- American football player Mike Vrabel is born in 1975.
- American football player Roy Williams in born in 1980.
- American football player Roy Williams in born in 1980.
- American football and baseball player Tim Tebow is born in 1987.
- Canadian ice hockey player is born in 1989.
