- Feb 20 Trial against Johan van Oldenbarnevelt begins in The Hague for alleged crimes against the federal government
- Mar 12 Dutch settlement on Java changes name to Batavia
- Apr 19 Theatrum Anatomicum opens in Amsterdam
- May 18 Dutch jurist and scholar Hugo Grotius sentenced to life in prison in Loevestein Castle in the Netherlands (later escapes in a book chest)
- Jun 2 England and the Netherlands sign treaty about trading in the Indies
- Jun 10 Thirty Years' War: Battle of Záblatí, a turning point in the Bohemian Revolt
- Jun 24 Tsar Michail's father Filaret becomes patriarch of Moscow
- Jul 20 Gerardus Vossius resigns as Dutch regent States college leader
- Jul 30 House of Burgesses Virginia forms, 1st elective American governing body
Treaty of Interest
Aug 8 Duke Maximilian I & Emperor Ferdinand II signs Treaty of Munchen
- Aug 20 1st known African Americans in English North America (approx. 20) land at Point Comfort (Fort Monroe), Virginia. They are then sold or traded into servitude.
- Aug 27 Frederik van Palts chosen as King of Bohemia
- Aug 28 Ferdinand II elected Holy Roman Emperor (rules till 1637)
- Sep 15 Prince Bethlen Gabor's troops occupy Pozsony (Pressburg) Hungary
- Sep 30 Remonstrant Society forms in Antwerp
- Oct 28 Japanese Keichō Embassy headed by Hasekura Tsunenaga leaves Sendai aboard the Japanese-built Date Maru galleon for Acapulco
- Nov 4 Frederick V crowned king of Bohemia
Historic Event
Nov 10 René Descartes has the dream that inspires his "Meditations on First Philosophy"
- Dec 4 38 colonists from Berkeley Parish, England disembark in Virginia and give thanks to God. Considered by many the first Thanksgiving in the Americas.