- 1002 13 Nov Ethelred the Unready orders the St Brice's Day Massacre - the murder of all Danes in England.
- 1941 13 Nov Aircraft carrier HMS 'Ark Royal' is torpedoed en route to Malta by a German U-boat, sinking the next day.
- 1942 13 Nov US 'liberty ship' production reaches its peak with a single 10,500 ton ship built in less than five days.