Event of Interest
Dec 13 Emperor Ferdinand II delegates 1st anti-Reformation decree

Ferdinand II
- Dec 18 English parliament accept unanimously, Protestation
Event of Interest
Dec 25 Governor William Bradford of Plymouth Colony (now in Massachusetts) forbids game playing on Christmas

William Bradford
Event of Interest
Dec 30 English King James I cracks Protestation of Parliament

James I and VI
- Dec 31 Hungarian King Bethlen Gabor and Holy Roman Emperor Ferdinand II sign the Treaty of Mikulov