
| Christian Huygens, discovered Saturn's rings, Titan | |
| Arnold Toynbee, historian | |
| Sir John Gielgud, actor (Arthur, Ages of Man) | |
| Pan American Day | |
| Word 'telescope' is first used by Prince Federico Cesi | |
| First American school for deaf (Hartford, Conn) | |
| First edition of Noah Webster's dictionary is published. | |
| First Pony Express rider arrives in SF from St. Joseph, Missouri. | |
| Abraham Lincoln assassinated in Ford's Theater. | |
| First public showing of Edison's kinetoscope (moving pictures). | |
| Ampex Co. demonstrates first commercial videotape recorder. | |
| Fort Point dedicated as first National Park in SF Bay Area. | |
| First Space Shuttle - Columbia 1 returns to Earth. | |
By Scott Labrecque version 9.4.0.0