1631 in History
January 23 France and Sweden sign anti-German Treaty of Barwald
February 5 Rhode Island, founder, Roger Williams arrives in Boston from England
May 17 Earl Johann Tilly attacks Maagdenburg
May 18 English colony Massachusetts Bay grants puritarian voting right
May 18 John Winthrop is elected 1st governor of Massachusetts
May 20 German army under earl Johann Tilly conquerors Maagdenburg
May 30 France/Maximilian van Bavarian signs Accord of Fontainebleau
June 19 Peace of Cherasco: Charles de Gonzaga-Nevers becomes duke of Mantua
September 13 Admiral Tholen conquerors 30+ Spanish frigates
September 17 Battle of Breitenfeld: King Gustaaf Adolf defeats General Tilly
October 10 Saxon army occupies Prague
November 4 Ferdinand of Austria installed as land guardian of S Netherlands
November 7 Pierre Gassendi observes transit of Mercury predicted by Kepler
December 6 1st predicted transit of Venus (Kepler) is observed
December 16 Mount Vesuvious, Italy erupts, destroys 6 villages and kills 4,000