Adolf Hitler becomes Chancellor of Germany.
During the German Kristallnacht (Night of Broken Glass), 7500 Jewish businesses are looted, 191 synagogues are set afire, nearly 100 Jews are killed, and tens of thousands are sent to concentration camps.
German troops invade Poland on the ground while Hitler's air force bombs Polish cities from the sky.
World War ii Begins.
Britain and France declare war on Germany honoring their commitment to Poland. President Franklin D. Roosevelt invokes the Neutrality Act but notes, "Even a neutral cannot be asked to close his mind or his conscience.
Canada declares war on Germany.
Adolf Hitler takes neutral Denmark, Norway, Belgium, Holland, and Luxembourg.
President Franklin D. Roosevelt makes a deal to give Great Britain 50 destroyers in exchange for naval bases in Newfoundland, Bermuda, and sites in the Caribbean and the South Atlantic.
Germany invades the Soviet Union violating the Nonaggression Pact. U.S. Secretary of War Henry L. Stimson estimates that it will take Hitler less than three months to conquer the Soviet Union.
President Franklin D. Roosevelt warns the Japanese government to cease all aggression toward neighboring countries or else face United States forces.
The Japanese government decides to attack Pearl Harbor if negotiations with the United States fail.
U.S. Naval cryptographers learn from secret code that Japan plans aggressive action if an agreement with the United States is not met.
Japanese fighter planes attack the American base at Pearl Harbor destroying U.S. aircraft and naval vessels, and killing 2,355 U.S. servicemen and 68 civilians.
Germany and Italy, Japan's axis partners, declare war on the United States. The United States declares war on Germany, Italy, and Japan.
RANGEEND_ITALY The Italian government officially surrenders to the Allied powers; still, German forces occupy much of Italy.
The first of nearly 3 million Allied soldiers arrive in Normandy, on the northern shores of France.
President Franklin D. Roosevelt dies of a cerebral hemorrhage in Warm Springs, Georgia.
Harry Truman becomes President.
Adolf Hitler commits suicide in Berlin.
The German army signs an unconditional surrender to allies.
Now Allied forces focus on defeating Japan, with the U.S. in the forefront of
The United States drops an atomic bomb—the first to be used in warfare—on Hiroshima, killing 75,000 people instantly, and injuring more than 100,000.
With still no surrender from Japan, the Soviet Union enters the Pacific war as promised in Yalta, defeating Japanese forces in Manchuria.
2nd Atomic Bomb Dropped in Nagasaki, Japan.
A formal surrender ceremony is conducted in Tokyo Bay on the U.S. battleship Missouri. World War II officially ends.