- Dec 3 First recorded successful separation of conjoined twins Elisabet and Catherina Meijerin, completed by Swiss surgeon Johannes Fatio in Basel [1]
- Dec 16 English Parliament passes Bill of Rights establishing limits on crown powers and requirement for regular elections
- Dec 22 Heavy earthquake strikes Innsbruck, Austria
- Dec 30 Henry Purcell & Tates opera "Dido & Aeneas" premieres in Chesea