WW2 timeline Zakry Barnette By Zakry Barnette Sep 1, 1939 ww2 start Sep 1, 1939 German forces invade Poland Sep 3, 1939 Britain and France declare war on Germany Period: Sep 3, 1939 to May 10, 1940 Phoney war Period: 1940 to 1940 Hitler invades Denmark and Norway May 10, 1940 Blitzkrieg May 13, 1940 Chamberlain resigns May 26, 1940 Dunkirk (Operation Dynamo Jun 11, 1940 Italy enters war on side of Axis powers Jun 22, 1940 France signs armistice with Germany Period: Jul 10, 1940 to Oct 31, 1940 Battle of Britain Sep 22, 1940 Tripartite pact Apr 6, 1941 Italy and Germany attack Yugoslavia Jun 22, 1941 Hitler attacks Russia (Operation Barbarossa) Dec 7, 1941 Pearl Harbor Dec 8, 1941 Briain and US declare war on Japan Jun 4, 1942 Battle of Midway Period: Aug 23, 1942 to Feb 2, 1943 Battle of Staningrad Oct 23, 1942 Battle of El Alamein May 12, 1943 Axis surrenders in N.Africa Aug 3, 1943 Italy surrenders Jun 5, 1944 Rome liberated Jun 6, 1944 D-Day Dec 16, 1944 battle of the Bulge Begins Apr 28, 1945 Mussolini captured and executed Apr 30, 1945 Hitler Commits suicide May 7, 1945 Germany unconditionally surrenders Jul 8, 1945 Russia declares war on Japan Aug 6, 1945 Atomic bomb dropped on Hiroshima Aug 9, 1945 Atomic bomb dropped on Nagasaki Aug 14, 1945 Japanese Surrenders Sep 2, 1945 MacArthur accepts Japan's unconditional surrender (end of ww2)