WWII Timeline - Charly Greene By muddyfeet Nov 11, 1918 WWI Ends Jan 30, 1933 HItler appointed as leader of Germany Sep 1, 1939 WWII Begins Sep 17, 1939 Soviet Union invades Poland Sep 27, 1939 Warsaw Captured Dec 13, 1939 UK wins war's first sea battle Apr 8, 1940 Norway Invaded May 10, 1940 Churchill becomes Prime Minister May 26, 1940 Dunkirk Jun 14, 1940 Paris falls to Nazi's Jul 10, 1940 The Battle of Britain Dec 7, 1941 Pearl Harbor Jun 6, 1944 D-Day May 7, 1945 The fall of Germany Aug 6, 1945 US bombing on Hiroshima Aug 9, 1945 US bombing on Nagasaki