July 4 - The city of Trois-Rivières is founded in New France, later to become the Canadian province of Quebec.
August 18 - Urbain Grandier, accused and convicted of sorcery, is burned alive in Loudun, France.
October 11 - the Burchardi flood — "the second Grote Mandrenke" killed around 15,000 men in North Friesland, Denmark and Germany.
November 11 - Following pressure from Anglican bishop John Atherton, the Irish House of Commons passes "An Act for the Punishment for the Vice of Buggery".