1789: George Washington had surgery to drain a deep thigh abscess.
1946: John Kennedy collapsed during the Bunker Hill Day parade.
1972: Five men were arrested for breaking into the Watergate Building in Washington, DC.
1974: Richard Nixon recuperated from thrombophlebitis at Camp David.
1977: Joe Biden and Jill Tracy Jacobs married.
1991: Zachary Taylor’s body was exhumed and tested for poisons.