A discovery by nuclear physicists in a laboratory in Berlin, Germany, in 1938 made the first atomic bomb possible, after Otto Hahn, Lise Meitner, and Fritz Strassman discovered nuclear fission.
Invasion of Poland
September 1, 1939 - September 27, 1939
On September 1, 1939, Germany invaded Poland. After shelling and bombing, Warsaw surrendered to the Germans on September 27, 1939.
Battle of Midway
June 4, 1942 - June 7, 1942
The Battle of Midway was a decisive naval battle in the Pacific Theater of WW2.
Battle of Stalingrad
August 23, 1942 - February 2, 1943
The battle was the largest confrontation of WW2, in which Germany and its allies fought the Soviet Union for control of the city of Stalingrad (now Volograd) in southern Russia
June 6, 1944
The day in WW2 on which Allied forces invaded northern France by means of beach landings in Normandy.
May 8, 1945
The day marking the Allied victory in Europe.
August 14, 1945
It was announced that Japan had surrendered unconditionally to the Allies, effectively ending WW2.
Attack on Pearl Harbor
December 7, 1971
The attack on Pearl Harbor was a surprise, preemptive military strike by the Imperial Japanese Navy Air Service upon the United States (a neutral country in the war at the time), against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii. The attack led to the United States' formal entry into WW2 the next day.