World War II Timeline By AuStInMiLlEr Mar 15, 1939 Annexation of Czechoslovakia May 22, 1939 Pact of Steel signed Sep 1, 1939 Invasions (Germany and Russia) of Poland Sep 3, 1939 Declaration of War of Germany Sep 29, 1939 Partition of Poland May 10, 1940 Invasion of low countries and France begins (Blitzkrieg used) May 26, 1940 begining of evacuation of Dunkirk Jun 22, 1940 France surrenders to Germany Jul 10, 1940 Battle of Britain begins Sep 27, 1940 Tripartite (Axis) Pact signed Mar 11, 1941 Lend-Lease Act signed Jun 22, 1941 Operation Barabossa begins Jun 25, 1941 Final Solution begins Dec 5, 1941 Germans abandon attack on Moscow Dec 7, 1941 Pearl Harbor bombed Dec 8, 1941 United Stats go to war with Germany and Japa Jun 15, 1942 Auschwitz opens Jul 9, 1942 The Battle of Stalingrad begins Aug 7, 1942 Germany and italy surrenders in North Africa Jul 9, 1943 Allies land in sicily Sep 8, 1943 Italy Surrenders Oct 13, 1943 Italy declares war on Germany Jun 6, 1944 D-Day Jul 20, 1944 Assassination attempt on Hitler fails Dec 16, 1944 Battle of bulge begins Apr 28, 1945 Mussolini Hanged Apr 30, 1945 Hitler commits suicide Jul 17, 1945 Potsdam Coference Aug 6, 1945 Hiroshima bombed Aug 9, 1945 bombing of Nagasaki Aug 15, 1945 V-J Day Oct 24, 1945 UN established Nov 20, 1945 Nuremburg Trials begin