WWII Timeline Project By JeremyCooper531 Period: May 8, 1933 to May 8, 1945 World War II Sep 1, 1939 Germany's invasion of Poland Germany invades poland marking the start of the second World War in Euorope. Period: Sep 25, 1939 to May 11, 1940 German Blitzkrieg Jun 22, 1941 Operation Barbarossa Dec 7, 1941 Pearl Harbor Jan 20, 1942 Wannsee Conference Jul 26, 1943 Operation Gomorrah May 11, 1944 Operation Thunderclap Jun 6, 1944 D-Day (Normandy Invasion) Period: Dec 16, 1944 to Jan 25, 1945 Battle of the Bulge Period: Feb 19, 1945 to Mar 26, 1945 Battle of Iwo Jima Period: Apr 7, 1945 to Jun 14, 1945 Battle of Okinawa May 7, 1945 VE Day May 8, 1945 Dropping of the Atomic bombs on Japan Aug 14, 1945 VJ day