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The invasion of Poland was a joint attack on the Republic of Poland by Nazi Germany, the Slovak Republic, and the Soviet Union, which marked the beginning of World War II. -
The United Kingdom declared war on Germany—two days after the German invasion of Poland. France also declared war on Germany later the same day. -
Germany invaded the Netherlands, Belgium, Luxembourg, and France. Luxembourg was occupied that same day. The Netherlands surrendered on 15 May, Belgium on the 28th. -
The Allies had been losing the Battle of France on the Western Front and the now-renowned Battle of Dunkirk saw Allied forces defend and seek evacuation from Dunkirk as the German forces closed in. -
during World War II, the successful defense of Great Britain against unremitting and destructive air raids conducted by the German air force -
required all men between the ages of 21 and 45 to register for the draft. -
Set up a system that would allow the United States to lend or lease war supplies to any nation deemed "vital to the defense of the United States. -
The attack on Pearl Harbor was a surprise military strike by the Empire of Japan on the United States Pacific Fleet at its naval base at Pearl Harbor on Oahu, Hawaii -
America's isolation from war when Japan staged a surprise attack on American military installations in the Pacific. The most devastating strike came at Pearl Harbor -
On December 11, 1941, Germany and Italy declared war on the United States.
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The Battle of the Coral Sea was a major naval battle between the Imperial Japanese Navy and naval and air forces of the United States and Australia. -
The Japanese Combined Fleet under the command of Isoroku Yamamoto suffered a decisive defeat by the U.S. Pacific Fleet near Midway Atoll -
Operation Torch was an Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of securing victory in North Africa -
The Allied invasion of Sicily, also known as the Battle of Sicily and Operation Husky, was a major campaign of World War II in which the Allied forces invaded the island of Sicily and took it from the Axis powers -
brought together the land, air, and sea forces of the allied armies in what became known as the largest amphibious invasion in military history. -
Nazi Germany operated more than a thousand concentration camps including sub camps on its own territory and in parts of German-occupied Europe. -
the day on which Imperial Japan surrendered in World War II, in effect bringing the war to an end. -
The Battle of the Bulge was the last major German offensive campaign on the Western Front during the Second World War -
The Yalta Conference was the World War II meeting of the heads of government of the United States, the United Kingdom and the Soviet Union -
Victory in Europe Day is the day celebrating the formal acceptance by the Allies of World War II of Germany's unconditional surrender of its armed forces -
Over the next two to four months, the effects of the atomic bombings killed 90,000 to 166,000 people in Hiroshima -
he bombings killed between 150,000 and 246,000 people, most of whom were civilians, and they remain the only use of nuclear weapons in an armed conflict.