- Jan 1 Papal Chancery adopts Jan 1 as beginning of the year (was Mar 25)
- Jan 6 Pope Gregory XV forms Congregatio the Propagande Fide
- Jan 7 Germany & Transylvania sign Peace of Nikolsburg
James I Dissolves Parliament
Feb 8 King James I disbands the English parliament
Appointment of Interest
Sep 5 Richelieu appointed Cardinal under French King Louis XIII
- Sep 6 Spanish silver fleet disappears off Florida Keys; 1,000s die
- Oct 18 French King Louis XIII & Huguenots sign Treaty of Montpellier