Wikipedia:Selected anniversaries/June 25
- 1876 - Colonel George Armstrong Custer is killed at the Battle of the Little Big Horn.
- 1950 - The Korean War, between the United Nations and North Korean forces, began.
- 1991 - Croatia and Slovenia declared their independence from Yugoslavia.
- 1993 - Kim Campbell was chosen as leader of the Progressive Conservative Party and became the first female Prime Minister of Canada.
- 1996 - The Khobar Towers bombing in Al-Khobar, Saudi Arabia, left 19 U.S. servicemen dead.