| Holiday name | Holiday location | Holiday type |
|---|---|---|
| Towel Day | - | Weird |
| Commonwealth Day observed | Belize | Public Holiday |
| National Day/May 1810 Revolution | Argentina | National Holiday |
| African Liberation Day | - | International |
| Eidul-Fitar | Philippines | Common Local Holidays |
| Bermuda Day observed | Bermuda | Public Holiday |
| Eid al-Fitr | Multiple [Show] | Public Holiday |
| Independence Day | Jordan | National Holiday |
| Eid-al-Fitr holiday | Multiple [Show] | Multiple Types |
| Spring Bank Holiday | Multiple [Show] | Multiple Types |
| Labor Day / May Day observed | Jamaica | Public Holiday |
| Memorial Day | Multiple [Show] | Multiple Types |
| Jefferson Davis Birthday | United states (Mississippi) | Local Observance |
| National Missing Children's Day | United states | Observance |
| End of Ramadan Day 2 | Egypt | National Holiday |
| Africa Day | Multiple [Show] | Public Holiday |
| Ascension Day | Colombia | National Holiday |
| Liberation and Resistance Day | Lebanon | Observance |
| Eid-e-Fetr (Additional Holiday) | Iran | National Holiday |
| Hari Raya Puasa Day 2 | Malaysia | Federal Public Holiday |
| Eid-al-Fitr Holiday | Multiple [Show] | Multiple Types |
| Id el Fitr additional holiday | Nigeria | Public Holiday |
| Eid al-Fitr holiday | Morocco | Bank Holiday |
| Africa Freedom Day | Zambia | Public Holiday |
| African Union Day | Ghana | Public Holiday |
| National Wine Day | - | Weird |
Historical Events on May 25
- 1738: The border dispute between Pennsylvania and Maryland known as Cresap’s War or the Conojocular War ends when a treaty is signed between the two States. That treaty established the border and resulted in an exchange of prisoners between Pennsylvania and Maryland.
- 1787: The U.S Constitutional Convention begins in Philadelphia after delegates from 7 States have arrived.
- 1865: Approximately three hundred people die when an ordinance depot explodes in Mobile, Alabama.
- 1895: Novelist and playwright Oscar Wilde is convicted of gross indecency with male persons and is sentenced to 2 years in prison.
- 1940: British and French forces at Boulogne-sur-Mer surrender to the German 2nd Panzer Division at the Battle of Boulogne during World War 2.
- 1953: The U.S conducts a nuclear artillery site at the Nevada Test Site.
- 1953: KUHT, the first public television station in the U.S., begins broadcasting from the campus of the University of Houston.
- 1961: United States President John F. Kennedy addresses a special joint session of Congress and tells them of his goal to land a man on the Moon before the end of the decade.
- 1966: Explorer 32 launches on this day. Also known as Atmosphere Explorer-B, this satellite was designed to study the upper atmosphere.
- 1968: In the city of St. Louis in Missouri, the Gateway Arch is dedicated.
Famous Birthdays on May 25
- American poet and philosopher, Ralph Waldo Emerson is born in 1803.
- American evangelist and Nobel Prize laureate, John Mott is born in 1865.
- Dutch physicist and Nobel Prize laureate, Pieter Zeeman is born in 1865.
- American singer Kitty Kallen is born in 1921.
- American actor Claude Akins is born in 1926.
- American soldier and author, Robert Ludlum is born in 1927.
- American actress Anne Heche is born in 1969.
- American journalits and author, Stacy London is born in 1969.
- American actor and screenwriter, Jamie Kennedy is born in 1970.
- American actress and model, Molly Sims is born in 1973.
- Irish actor Cillian Murphy is born in 1976.
- American actor Ethan Suplee is born in 1976.
