Historical Events
- 75th Boston Marathon: Álvaro Mejía of Colombia wins in 2:18:45; American Sara Mae Berman 1st woman for 3rd straight year in 3:08:30 (unsanctioned)
- Charles Manson sentenced to life in prison for the murder of Sharon Tate
- Sierra Leone becomes a republic (National Day)
- USSR Salyut 1 launched; 1st manned lab in orbit