Events with tag - Manhattan Project

August 13, 1942

Manhattan Project Official Launch

The Manhattan Project was officially established on August 13, 1942, marking the formal beginning of America's atomic weapons program under the U.S. Army Corps of Engineers, led by Brigadier General Leslie Groves and scientific director J. Robert Oppenheimer.

August 6, 1945

Atomic Bombings of Japan

The United States conducted atomic bombings of Japanese cities Hiroshima and Nagasaki on August 6 and 9, 1945, resulting in massive destruction and Japan's surrender in World War II. These events marked the first and only use of nuclear weapons in warfare.

August 6, 1945

Hiroshima Atomic Bombing

On August 6, 1945, the US B-29 bomber Enola Gay dropped the atomic bomb 'Little Boy' on Hiroshima, Japan, killing approximately 140,000 people and destroying 90% of the city. This marked the first use of nuclear weapons in warfare and led to Japan's surrender in World War II.

August 9, 1945

Nagasaki Atomic Bombing

The United States dropped the atomic bomb 'Fat Man' on Nagasaki, Japan, killing approximately 74,000 people and destroying 68% of the city's industrial district. This second atomic bombing, following Hiroshima, led to Japan's surrender and the end of World War II.