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| 1512 | - | Spanish explorer Juan Ponce de Leon sights Fla |
| 1625 | - | Charles I King of England Scotland & Ireland ascends to throne |
| 1794 | - | Pres Washington & Congress creates US Navy |
| 1802 | - | Pallas (asteroid) discovered by Heinrich Olbers |
| 1807 | - | Vesta (asteroid) discovered by OLbers |
| 1836 | - | 1st Mormon temple dedicated in Kirtland Ohio |
| 1855 | - | Abraham Gesner receives a patent for kerosene |
| 1860 | - | ML Byrn patents corkscrew (NY) |
| 1912 | - | 1st Japanese cherry trees planted in Wash DC |
| 1917 | - | Seattle Metropolitans 1st US team to win Stanley Cup beat Canadiens |
| 1933 | - | Farm Credit Administration (US) authorized |
| 1945 | - | Gen Eisenhower declared German defenses on Western Front broken |
| 1958 | - | Khrushchev became Soviet premier & 1st sect of Communist Party |
| 1964 | - | Earthquake strikes Alaska - 8.4 on Richter scale - 100 die |
| 1968 | - | Japanese Trade & Cultural Center (Japan Center) dedicated |
| 1968 | - | Yuri Gagarin - 1st man to orbit Earth & Seryogin died in a plane crash |
| 1972 | - | Venera 8 launched to Venus |
| 1977 | - | 582 die in aviation\s worst disaster KLM 747-Pan Am 747 crash |
| 1977 | - | Diana Hyland dies at 40 |
| 1980 | - | Mt. St. Helens becomes active after 123 years |
| 1986 | - | Disney-MGM Studio Tour groundbreaking |
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