- Feb 16 Battle of Great Torrington, Devon - the last major battle of the first English Civil War
- Feb 28 Roger Scott tried in Massachusetts for sleeping in church
- Mar 6 Joseph Jenkes receives the 1st patent in North America for making scythes from the General Court of Massachusetts
- May 5 King Charles I surrenders in Scotland
- May 30 Spain & Netherlands sign temporary cease fire
- Jun 25 Thomas Fairfax's New Model Army occupies Oxford
- Jul 30 English parliament sets king Charles I Newcastle Propositions
- Oct 28 First Protestant church assembly for American Indians established in Massachusetts
- Nov 4 Massachusetts uses death penalty for denying that Holy Bible is God's word