- Fran Phipps is 1st woman to reach North Pole
- In Sri Lanka, Janatha Vimukthi Peramuna launches insurrection against the United Front government of Mrs. Sirimavo Bandaranaike.
- Mount Etna erupts in Sicily
- US Lt William Calley sentenced to life imprisonment for murdering 22 unarmed South Vietnamese civilians in the My Lai Massacre
- WNJT TV channel 52 in Trenton, NJ (PBS) begins broadcasting
Day of the Week: Monday