Eugene McCarthy 1916
- 1867 - The British Parliament passed the North America Act to create the Dominion of Canada.
- 1882 - The Knights of Columbus organization was granted a charter by the State of Connecticut.
- 1951 - In the United States, Julius and Ethel Rosenberg were convicted of conspiracy to commit espionage. They were executed in June 19, 1953
- 1973 - The last U.S. troops left South Vietnam.
- 1992 - Democratic presidential front-runner Bill Clinton said "I didn't inhale and I didn't try it again" in reference to when he had experimented with marijuana.
- 1995 - The U.S. House of Representatives rejected a constitutional amendment that would have limited terms to 12 years in the U.S. House and Senate.