-
Japan invades Manchuria.
-
Japan left the League of Nations because of its conflict with China. The League wanted to restore sovereignty to China, and Japan voted against it (42 to 1).
-
Japan wanted to keep pursuing territorial expansion in Asia, it decided to openly refuse to abide by terms set in the Washington Naval Treaty of 1922
-
Japan invades China, initiating World War II in the Pacific.
-
United States proclaims its neutrality.
-
United States military conscription bill passed.
-
Roosevelt re-elected as U.S. president.
-
President Roosevelt signs the Lend-Lease Act.
-
Roosevelt freezes Japanese assets in United States and suspends relations.
-
Japan launches a surprise attack on American soil and bombs Hawaii’s naval base at Pearl Harbor. More than 2,300 American soldiers and sailors die in the attack, and another 1,100 are wounded.
-
President Franklin D. Roosevelt requests, and subsequently receives, a declaration of war against Japan. With approval from Congress, the United States begins the mobilization of civilian defense groups on the home front.
-
President Roosevelt signs the Executive Order 9066, also known as the Japanese-American Internment order
-
Japan captures the Philippines when the last Allied troops surrender on the island of Mindanao.
-
The Allies defeat Japan near the Hawaiian coast in the Battle of Midway. The battle marks a turning point in favor of the Allies.
-
Japan's navy is defeated by the Allies in the Battle of Leyte Gulf near the Philippines.
-
After a month-long battle with Japanese forces, Allied troops capture the island of Iwo Jima in the western Pacific.
-
The United States drops an atomic bomb on the Japanese city of Hiroshima
-
The United States drops the second atomic bomb on the Japanese city of Nagasaki.
-
Japan formally surrenders to the Allies and signs the Japanese Instrument of Surrender in Tokyo Bay,
