February 25
- 1836 - Samuel Colt got patent for his first multi-shot revolving-cylinder revolver. The firearm to be fired multiple times without reloading.
- 1862 - US: Congress formed Bureau of Engraving and Printing to print newly issued paper currency (United States Notes).
- 1863 - US: Congress created national banking system.
- 1910 - Chinese expedition to Tibet: Dalai Lama fled Tibet for British India to escape Chinese troops.
- 1932 - Adolf Hitler got German citizenship.
- 1964 - Muhammad Ali (Cassius Clay) won his first world heavyweight boxing title at the Convention Center, Miami Beach.
- 1972 - West Germany paid $5 million to an Arab terrorist from Palestine as ransom for the passengers and crew of hijacked Lufthansa Flight 649.
- 1986 - Philippines: Corazon Aquino became President, Ferdinand Marcos fled the country.
- 1988 - South Korea adopts its constitution.
- 1992 - Azerbaijan: Khojaly massacre: 600+ civilians were killed by Armenian armed forces during the conflict in Nagorno-Karabakh region.
- 1994 - Israeli extremist Baruch Goldstein massacred 30 Palestinians in Hebron.
- 1994 - Peru: Peruvian Yak-40 (small aircraft) crashed into mountain near Tingo Maria, killed 31 people.
- 2001 - Sir Donald Bradman AC, Australian cricket batsman and captain died because of pneumonia (age 92).
- 2009 - Bangladesh: BDR massacre in Pilkhana, Dhaka: 70+ people were killed, including 50+ Army officials by Bangladeshi Boarder Guards inside its headquarter.
- 2012 - Syrian Army killed 100 civilians in artillery shelling of Homs and Hama.
- 2012 - Al Qaeda suicide bombing killed 25+ people in Mukalla, Yemen.
- 2012 - World Health Organization removed India from the list of polio endemic countries.
- 2014 - Nigeria: 50+ students killed in a Boko Harem attack on a college in Buni.