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Second Sino-Japanese War
Japan declares war on China -
Soviet Invasion of Xinjiang
Soviets invade western China to put down Uighur uprising that caused massacre of Soviet diplomats and advisors in Xinjiang. -
Battle of Shanghai
Japan takes Shanghai with heavy losses. -
Tripartite Pact
Nazi Germany, Fascist Italy, and Imperial Japan formally align as Axis -
Japanese Attack in Pearl Harbor
Japanese attack on US Navy base at Pearl Harbor, Hawaii kills 2,400 American service members and sinks 4 battleships. -
US and United kingdom join war
US and United Kingdom formally declare war on Japan. -
Thialand Surrenders
Thailand surrenders to Japan. -
Hong Kong Surrenders
British Hong Kong surrenders to Japan -
Battle of Leyte
Americans begin drive to liberate Philippines from Japanese occupation. -
America Bombs Tokyo
First American bombing raid against Tokyo -
Battle of Iwo Jima
Bloody American victory over Japan -
Atomic Bomb Dropped on Hiroshima
American atomic bombing of Hiroshima, Japan -
Atomic Bomb Dropped on Nagasaki
American atomic bombing of Nagasaki, Japan -
Japan Surrenders
Japanese Emperor Hirohito formally surrenders, World War II ends