July 10 - World War II: Battle of Britain - The German Luftwaffe begin to hit British convoys in the English Channel thus starting the battle (this start date is contested, though).
July 14 - World War II: Andrew George Latta McNaughton takes command 7th Army Corps consisting of British, Canadian and New Zealand troops.
September 4 - World War II: The USS Greer becomes the first United States ship fired upon by a German submarine in the war, even though the United States is a neutral power. Tension heightens between the two nations as a result.
November 11 - Armistice Day Blizzard: An unexpected blizzard kills 144 in U.S. Midwest.
November 14 - World War II: In England, the city of Coventry is destroyed by 500 GermanLuftwaffe bombers (150,000 fire bombs, 503 tons of high explosives, 130 parachute mines leveled 60,000 of the city's 75,000 buildings; 568 people were killed).