| February 6 | Huguenot rebels and French sign Peace of La Rochelle |
| April 25 | Battle at the Dessauer bridge: Monarch Albrecht von Wallenstein beats Earl of Mansfeld |
| May 4 | Indians sell Manhattan Island for $24 in cloth and buttons |
| May 4 | Peter Minuit becomes director-general of New Netherlands |
| May 6 | Dutch colonist Paul Minuit buys Manhattan for $24 in trinkets |
| May 24 | Peter Minuet buys Manhattan from Indians for trinkets, valued at $24 |
| June 15 | King Charles I disbands English parliament |
| July 5 | Battle at Lenz: Rebel Austrian Boers defeated |
| July 30 | Earthquake hits Naples; 10,000 die |
| August 1 | Earl Earnest Casimir conquerors Oldenzaal |
| August 27 | Battle at Lutter: Catholic League beats Danish king Christian IV |
| September 30 | Battle between king Bethlen Gabor and earl Mansfeld-Wallenstein ends |
| November 18 | St-Petruskerk in Rome, initiated |
| December 1 | Pasha Muhammad ibn Farukh tyrannical Governor of Jerusalem, driven out |
| December 20 | Emperor Ferdinand II/Transylvanian monarch Gabor Betlen signs Peace of Pressburg |
