October 17, 1650
1650 siege of the Scottish civil war that formed part of the Wars of the Three Kingdoms
1650 treaty between Charles II and Scottish Covenanters
Battle during Cromwell's conquest of Ireland in 1650
Battle during the 1650 English invasion of Scotland
Treaty between New Netherland and Connecticut
1650 naval battle between Spain and France
Battle during the Anglo-Scottish war of 1650–1652