| Date |
Event |
| 1632-06-20 | Britain grants 2nd Lord Baltimore rights to Chesapeake Bay area |
| 1756-06-20 | British soldiers imprisoned in India-Black Hole of Calcutta-most died |
| 1779-06-20 | Battle of Stone Ferry |
| 1782-06-20 | Congress approves Great Seal of US & the Eagle as it's symbol |
| 1791-06-20 | King Louis XVI caught trying to escape French Revolution |
| 1837-06-20 | Queen Victoria at 18 ascends British throne following death of uncle King William IV Ruled for 63 years ending in 1901 |
| 1855-06-20 | Comm appoints to lay out streets west of Larkin - SF |
| 1863-06-20 | West Virginia became 35th state |
| 1867-06-20 | Pres Andrew Johnson announces purchase of Alaska |
| 1893-06-20 | Lizzie Borden found innocent in New Bedford Mass |
| 1895-06-20 | Nicaragua - El Salvador & Honduras form a short-lived confederation |
| 1913-06-20 | Bert Daniels set AL mark by getting hit 3 times in a doubleheader |
| 1920-06-20 | Yanks win protest of 1-0 White Sox win & game is replayed |
| 1939-06-20 | Test flight of 1st rocket plane using liquid propellants |
| 1947-06-20 | Gangster Benjamin `Buggsy' Siegel shot dead in Beverly Hills Cal |
| 1947-06-20 | Pres Truman vetoed Taft-Hartley Act |
| 1948-06-20 | Toast of the Town hosted by Ed Sullivan premier on CBS-TV |
| 1950-06-20 | Joe Dimaggio's 2000th hit - Yanks beat Indians 8-2 |
| 1963-06-20 | US & USSR agree to set up 'Hot Line' |
| 1963-06-20 | 1st Mayor's Trophy Game Mets beat Yanks 6-2 |
| 1966-06-20 | Georges Lemaitre - originator of 'big bang' theory - dies at 71 |
| 1967-06-20 | Muhammad Ali convicted of violating draft law in Houston |
| 1968-06-20 | Jim Hines becomes 1st person to run 100 meters in under 10 seconds |
| 1976-06-20 | River Country opens |
| 1977-06-20 | Oil enters Trans-Alaska pipeline exits 38 days later at Valdez |
| 1982-06-20 | It's National Bald Eagle Day |
| 1982-06-20 | Israeli Prime Minister Menachem Begin arrives in Washington |
| 1983-06-20 | Yankee Bobby Murcer retires |
| 1986-06-20 | Drs at Bethesda Naval remove 2 small benign polyps from Reagan |
| 1987-06-20 | Johnny Carson marries 4th wife Alexis Mass |
