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US declares war on Japan
The US Congress declared war upon the Empire of Japan in response to that country's surprise attack on Pearl Harbor the prior day. -
Germany declares war on US
The US Congress declared war upon Germany, in response to that nation's declaration of war following the Japanese attack on Pearl Harbor and only hours after Germany declared war on the United States. -
Japanese Americans sent to internment camps
After the bombing of Pearl Harbor some US officials thought the Japanese might have spies hiding among the ethnic Japanese populations in the US so they put them in camps. -
Battle of the Coral Sea
This was a major naval battle in the Pacific Theater of World War II between the Imperial Japanese Navy and naval and air forces from the United States and Australia. -
Battle of Midway
The Battle of Midway in the Pacific Theater of Operations was one of the most important naval battles of World War II. -
Allies hold Casablanca conference
A plan the Allied European strategy for the next phase of World War II. In attendance were United States President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and representing the Free French forces, Generals Charles de Gaulle, and Henri Giraud. Premier Joseph Stalin had declined to attend, citing the ongoing conflict in Stalingrad required his presence in the Soviet Union. -
Tehran conference
It was held in the Soviet Embassy in Tehran, Iran and was the first of the World War II conferences held between all of the "Big Three" Allied leaders (the Soviet Union, the United States, and the United Kingdom). -
Battle of the Marianas
This was a decisive naval battle of World War II which eliminated the Imperial Japanese Navy's ability to conduct large-scale carrier actions. -
Battle of the Bulge
This was a major German offensive campaign launched through the densely forested Ardennes region of Wallonia in Belgium, France and Luxembourg on the Western Front toward the end of World War II in Europe. -
Korematsu v. US
This was a landmark United States Supreme Court case concerning the constitutionality of Executive Order 9066, which ordered Japanese Americans into internment camps during World War II regardless of citizenship. -
Yalta conference
This was the World War II meeting of the heads of government of the United States, the United Kingdom and the Soviet Union, represented by President Franklin D. Roosevelt, Prime Minister Winston Churchill and Premier Joseph Stalin, respectively, for the purpose of discussing Europe's post-war reorganization. -
Battle of Iwo Jima and Okinawa
This was fought on the Ryukyu Islands of Okinawa and was the largest amphibious assault in the Pacific War of World War II. -
Potsdam conference
The Big Three negotiated terms for the end of World War II. -
Atomic bombs dropped on Hiroshima and Nagasaki
The United States used its massive, atomic weapon against Hiroshima and Nagasaki, Japan. This atomic bomb, the equivalent of 20000 tons of TNT.