| Date | Name | Location / Topic | |
|---|---|---|---|
| World Malaria Day |  | ||
| Liberation Day |  | ||
| The Feast of St Mark |  | ||
| Liberty Day |  | ||
| Sinai Liberation Day |  | ||
| Chosun People's Army Foundation Day |  | ||
| National Flag Day |  | ||
| National Flag Day |  | ||
| ANZAC Day |  | ||
| Administrative Professionals Day |  | ||
| Vietnamese Kings' Commemoration Day | |||
| National Telephone Day |  | ||
| National East Meets West Day |  | ||
| National Zucchini Bread Day |  | ||
| National DNA Day |  | ||
| National Hug a Plumber Day |  | ||
| Death Anniversary of Zhabdrung (Zhabdrung Kuchoe) | |||
| Hung Kings Festival |  | ||
| National Lingerie Day |  | ||
| World Penguin Day |  | ||
| International Guide Dog Day |  | ||
| Stop Food Waste Day |  | ||
Historical Events on April 25
- 1792: The first person to be executed by the newly invented guillotine (which was invented 1789) is highwayman Nicolas J. Pelletier.
- 1792: Claude Joseph Rouget de Lisle composes the French National Anthem: La Marseillaise.
- 1846: The Thornton Skirmish begins as U.S and Mexican forces over the disputed Mexican-Texas border. This event will eventually trigger the Mexican American War.
- 1859: Ground is officially broken for the Suez Canal on this day.
- 1862: During the American Civil War, United States Admiral David Farragut demands the immediate surrender of the Confederate held city of New Orleans in Louisiana.
- 1864: The Battle of Mark’s Mills begins during the American Civil War.
- 1898: The U.S declares war on Spain, thereby officially beginning the Spanish American War.
- 1901: The U.S State of New York becomes the first one to require license plates on automobiles.
- 1915: Landings at Cape Helles and Anzac Cove begin as the Battle of Gallipoli starts.
- 1944: The United Negro College Fund is established on this day.
- 1945: The Wehrmacht of Nazi Germany is cut in half on Elbe day by U.S and Soviet forces.
- 1945: The last remaining Germany troops in Lapland, Finland retreat.
- 1954: Bell Telephone Laboratories demonstrate the 1st practical solar cell.
- 1960: The first submerged circumnavigation of the planet is performed by the U.S Navy sub called the USS Triton.
- 1961: A patent is granted to Robert Noyce for the integrated circuit.
Famous Birthdays on April 25
- Italian inventor and Nobel Prize laureate, Guglielmo Marconi is born in 1874.
- American author Maude Hart Lovelace is born in 1892.
- American actress Mary Miles Minter is born in 1902.
- American author Ross Lockridge, Jr. is born in 1914.
- American journalist and author Mort Wisinger is born in 1915.
- American actor Al Pacino is born in 1940.
- American actress Talia Shire is born in 1946.
- American actor Jeffrey DeMunn is born in 1947.
- American actor Hank Azaria is born in 1964.
- American puppeteer and voice actor, John Henson is born in 1965.
- American actress Renee Zellweger is born in 1969.