| January 18 | 1st UFO sighting in America, by perplexed pilgrims in Boston |
| January 18 | Perplexed Pilgrims in Boston reported America's 1st UFO sighting |
| January 24 | Battle at Nantwich Cheshire: Parliamentary armies win |
| February 5 | 1st U.S. livestock branding law passed, by Connecticut |
| March 7 | Massachusetts establishes 1st 2-chamber legislature in colonies |
| March 14 | England grants patent for Providence Plantations (now Rhode Island) |
| March 19 | 200 members of Peking imperial family/court commit suicide |
| March 31 | Pope Urbanus VIII and duke of Parma signs Peace of Ferrara |
| April 29 | Farm leader Li Zicheng becomes emperor of China and flees Peking |
| May 6 | Johan Mauritius resigns as governor of Brazil |
| May 23 | Johan Mauritius van Nassau resigns as head of Civil rights activists |
| June 11 | Florentine scientist describe invention of barometer |
| July 2 | Battle of Marston Moor: Parliamentary forces defeat royalists |
| September 2 | Battle at Lostwithiel: Robert Devereux' infantry surrenders |
| September 5 | Prince Frederik Henry conquerors Sas of Gent |
| September 15 | Giambattista Pamfili replaces Pope Urban VII as Innocent X |
| September 17 | French troops occupy Mainz |
| October 23 | Sea battle of Fehmarn Sont: Admiral Thijssen beats Denen |
| October 27 | 2nd Battle at Newbury: King Charles I beats parliamentary armies |
| November 19 | 1st protestant ministry society in New England |
| December 4 | 1st European peace congress opens in Munster |
BrainyHistory
