World War II

The Role of Japan

This timeline highlights the key events and milestones of Japan's involvement in World War II.

Japanese Invasion of Manchuria

September 19, 1931

Japan invades Manchuria, a region of northeastern China, marking the beginning of Japanese aggression in Asia.

Pearl Harbor Attack

December 7, 1941

Japan attacks the U.S. naval base at Pearl Harbor, drawing the United States into the war.

Battle of Singapore

February 1942

Japan captures Singapore from British forces, securing control over Southeast Asia.

Battle of Midway

June 4, 1942

The United States Navy defeats the Japanese Navy at Midway Island, halting Japanese advances in the Pacific.

Atomic Bombings of Hiroshima and Nagasaki

August 6 and 9, 1945

The United States drops atomic bombs on the Japanese cities of Hiroshima and Nagasaki, leading to Japan's surrender.

Japan Surrenders

September 2, 1945

Japan formally surrenders, marking the end of World War II.