France
D-Day (The Normandy Landings)
This was the opening up of a second front which was promised to Russia in the Teheran conference, though at the time Russia no longer needed the front and criticized the west of purposely procrastinating. This was also the battle in which the USA made it's first physical appearance. D-Day was pretty much the end of the war for Germany.
Related: Pearl Harbour | Anti-Comintern Pact | Hiroshima and Nagasaki, Yalta Conference, Potsdam Conference | Coral Sea and Midway, Battle of Stalingrad, El Alamein, Dieppe Raid | Battle of Kursk | Fall of France, Battle of Britain | Invasion of Poland, Moscow Pact | Anti-Commintern Pact | Appeasement, formation of the Axis, Reocupation of the Rhineland | Peace of Paris

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