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WWII Span.
World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. -
Rome-Berlin Axis Announced
Nazi Germany and Fascist Italy sign a treaty of cooperation on November 1, the Rome-Berlin Axis is announced. -
sign the Anti-Comintern Pact
Nazi Germany and Imperial Japan sign the Anti-Comintern Pact, directed against the Soviet Union and the international Communist movement. -
sign the Munich agreement
Germany, Italy, Great Britain, and France sign the Munich agreement which forces the Czechoslovak Republic to cede the Sudetenland, including the key Czechoslovak military defense positions, to Nazi Germany. -
Nazi German troops march into the Sudetenland
Nazi German troops march into the Sudetenland. Without the support of their alleged allies, France and Britain, the Czechoslovakians are powerless against Adolf Hitler's army. -
The Hitler-Stalin Pact
On this day in 1939, Germany and the Soviet Union sign a non-aggression pact, stunning the world, given their diametrically opposed ideologies. But the dictators were, despite appearances, both playing to their own political needs. -
Nazi Germany invaded Poland, the act that started World War II.
At 4:45 a.m., some 1.5 million German troops invade Poland all along its 1,750-mile border with German-controlled territory. Simultaneously, the German Luftwaffe bombed Polish airfields, and German warships and U-boats attacked Polish naval forces in the Baltic Sea. Nazi leader Adolf Hitler claimed the massive invasion was a defensive action, but Britain and France were not convinced. On September 3, they declared war on Germany, initiating World War II. -
Britain and France declare war on Germany
On this day in 1939, in response to Hitler’s invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany. -
Soviet Union invades Poland
On this day in 1939, Soviet Foreign Minister Vyacheslav Molotov declares that the Polish government has ceased to exist, as the U.S.S.R. exercises the “fine print” of the Hitler-Stalin Non-aggression pact—the invasion and occupation of eastern Poland. -
Germany invades Norway and Denmark
On this day in 1940, German warships enter major Norwegian ports, from Narvik to Oslo, deploying thousands of German troops and occupying Norway. At the same time, German forces occupy Copenhagen, among other Danish -
The French sign the Armistice with Germany
The Armistice of 22 June 1940 was signed at 18:36 near Compiègne, France, by the top military officials of Nazi Germany and more junior representatives from the French Third Republic. -
The Battle of Britain begins
On this day in 1940, the Germans begin the first in a long series of bombing raids against Great Britain, as the Battle of Britain, which will last three and a half months, begins. -
Invasion of the Soviet Union
Operation Barbarossa (German: Unternehmen Barbarossa) was the code name for Nazi Germany's invasion of the Soviet Union during World War II, which began on 22 June 1941. The operation was driven by Adolf Hitler's ideological desire to conquer Soviet territory as outlined in his 1925 manifesto Mein Kampf ("My Struggle"). -
Pearl Harbor bombed
At 7:55 a.m. Hawaii time, a Japanese dive bomber bearing the red symbol of the Rising Sun of Japan on its wings appears out of the clouds above the island of Oahu. A swarm of 360 Japanese warplanes followed, descending on the U.S. naval base at Pearl Harbor in a ferocious assault. The surprise attack struck a critical blow against the U.S. Pacific fleet and drew the United States irrevocably into World War II. -
The United States declares war on Japan
On this day, as America’s Pacific fleet lay in ruins at Pearl Harbor, President Franklin Roosevelt requests, and receives, a declaration of war against Japan.