- Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
- Phyllis Ann George (Texas), 21, crowned 43rd Miss America 1971
- Soviet unmanned spacecraft Luna 16 launched to the moon
- Supersonic airliner Concorde lands for the 1st time at Heathrow airport
- US LSD professor Timothy Leary escapes from California jail
US Open Women's Tennis: Margaret Court of Australia successfully defends title; beats Rosemary Casals 6-2, 2-6, 6-1
- Nathan Larson, American guitarist and composer (Shudder To Think, Hot One), born in Maryland
- Rebecca Joyce, Australian rower (Olympics 1996), born in Melbourne, Australia