1774 – British settlers massacred family members of Chief Logan, head of the Native American Mingo tribe, at Yellow Creek, Ohio. It sparked off the conflict known as Lord Dunmore's War.
1900 – Casey Jones died in a train wreck in Vaughn, Mississippi, while trying to make up time on the Cannonball Express.
1945 - Adolf Hitler and Eva Braun committed suicide after being married for one day.
1945 - Soviet soldiers raised the Victory flag over the Reichstag building.
1952 - The Diary of a Young Girl, by Anne Frank was published in English.
1975 - The war in Vietnam ended as the government in Saigon announced its unconditional surrender to the Vietcong.
1993 - CERN published a statement that made the technology behind the WWW available on a royalty free basis.
1999 - Two people were killed and at least 30 injured in the third nail-bomb attack in London in two weeks.
2008 – Two skeletal remains found near Ekaterinburg, Russia were confirmed by Russian scientists to be the remains of Alexei Nikolaevich, Tsarevich of Russia and one of his sisters.