| January 31 | Spanish government goes bankrupt |
| March 3 | Piet Heyn conquerors 22 ships in Bay of Salvador Brazil |
| March 20 | France and Spain signs accord for fighting protestantism |
| June 2 | English king Charles I establishes Guyana Company |
| June 10 | Piet Heyn conquerors 38 ships at bay of Salvador |
| July 10 | English fleet under George Villiers reach La Rochelle |
| July 20 | English fleet under George Villiers reaches La Rochelle |
| August 10 | Cardinal Richelieu begins siege of La Rochelle |
| August 19 | Prince Frederik Henry conquerors fort Groenlo |
| October 27 | English assault on French Il de Re |
| November 8 | English fleet under George Villiers leaves Rhe |
