- 1793 - Act Against Slavery passed in Upper Canada and importation of slaves into Lower Canada is prohibited.
- 1900 - Queen Victoria of the United Kingdom gives royal assent to an act creating the Commonwealth of Australia thus uniting separate colonies on the continent under one federal government.
- 1955 - The Russell-Einstein Manifesto was released by Bertrand Russell in London.
- 1819 - Elias Howe, American inventor (d. 1867)
- 1938 - Brian Dennehy, American actor
- 2005 - Tai Shan, giant panda born at the National Zoo in Washington, D.C.