
| Joseph Priestly, discoverer of oxygen, revolutionary | |
| Harvard University is named for clergyman John Harvard. | |
| Massachusets gains title to Maine for $6,000. | |
| Uncle Sam makes his debut in the New York 'Lantern' | |
| Chester Greenwood patents ear muffler | |
| US adopts standard time | |
| Law passed in Tennessee prohibiting teaching evolution | |
| Clyde Tombaugh announces discovery of Pluto at Lowell Observatory | |
| Digital Equipment Corp introduces the PDP-11 minicomputer. | |
| Soyuz T-15 launched | |
By Scott Labrecque version 9.4.0.0