
| Lon Chaney, man of a thousand faces | |
| April Fool's Day | |
| Saint Stupid's Day (a San Francisco tradition since 1980). | |
| Oliver Pollock, a New Orleans Businessman, creates the '$'. | |
| San Francisco County Government established. | |
| Cincinnati became first US city with salaried firefighters | |
| Royal Air Force established | |
| 'Big Bang' theory published by Alpher, Bethe and Gamow | |
| TIROS I (Television and Infra-Red Observation Satellite) launched | |
| to improve weather prediction. | |
| USSR launches Zond 1 towards Venus | |
| US/Canada ISIS II launched to study ionosphere | |
| Iran proclaimed an Islamic Republic following fall of the Shah | |
By Scott Labrecque version 9.4.0.0