1940 - German cruiser Blucher torpedoed/capsizes in Oslofjord, 1,000 die
1940 - Germany invades Norway & Denmark during WW II (Denmark surrenders)
1942 - Battle of Bataan-US-Filipino forces overwhelmed by Japs at Bataan
1945 - Battleship Admiral Scheer sinks British aircraft carrier
1945 - Liberty ship at Bari Italy carrying aerial bombs explodes, kills 360

From http://www.famousfoto.com/history/ww2/