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Nazi invasion of Poland.
It was an invasion of Poland by Germany, the Soviet Union, and a small Slovak contingent that marked the begining of WWII. -
Finland surrenders to the USSR.
Finland surrenders to the USSR, ending the brief Russo-Finnish war that began when the Soviets invaded Finland on November 30, 1939. -
WWII in Africa
Italy invades Brittish Somaliland, marking the begining of WWII in Africa. -
Congress passes the Lend- Lease Act.
The U.S. Congress passes the Lend-Lease Act giving Roosevelt the authority to sell, transfer, or lease war goods to the government of any Allied country, thereby effectively ending American neutrality. -
Nuetrality Pact
The USSR and Japan sign a neutrality pact. -
The U.S and Britain conclude the Arcadia Confrence
The U.S. and Britain conclude the Arcadia Conference in Washington, DC. Roosevelt and Churchill agreed to establish a Combined Chiefs of Staff and to the make defeating Germany their first priority. Winning the war in Europe would come before winning the war in the Pacific. -
Casablanca Confrence.
The Casablanca Conference between the U.S. and Britain begins. Roosevelt and Churchill agree that Germany must surrender unconditionally, and plan the Allied invasion of Sicily. -
German troops surrender to the Soviets.
Over 90,000 German troops at Stalingrad surrender to the Soviets. It is a significant turning point in the war against Germany. -
Bombings.
The Allies begin massive bombing campaign of Germany. -
D-Day
D-Day. Operation Overlord -- the Allied invasion of German-occupied Western Europe -- begins on the beaches of Normandy, France. -
Liberate Auschwitz and Birkenau concentraion camps.
Soviet troops liberate the Auschwitz and Birkenau concentration camps, discovering hundreds of corpses from people who were recently murdered, thousands of people barely alive, and the earthly remains of approximately 1,000,000 men and women. -
The first atomic bomb dropped on Japan.
A U.S. B-29 named Enola Gay drops the "Little Boy" atomic bomb over Hiroshima, Japan. Approximately 140,000 people in the area will die by the end of the year.