USA HISTORY

Detailed explanation-1: -On August 6, 1945, the United States becomes the first and only nation to use atomic weaponry during wartime when it drops an atomic bomb on the Japanese city of Hiroshima .

Detailed explanation-2: -atomic bombings of Hiroshima and Nagasaki, during World War II, American bombing raids on the Japanese cities of Hiroshima (August 6, 1945) and Nagasaki (August 9, 1945) that marked the first use of atomic weapons in war.

Detailed explanation-3: -On July 16, 1945, in the New Mexico desert, the United States detonated the world’s first nuclear weapons test explosion. Three weeks later, U.S. bombers carried out surprise atomic bomb attacks on the cities of Hiroshima and Nagasaki.

Detailed explanation-4: -It looked increasingly likely that the United States would have to commit itself to a land invasion, which could have claimed many American lives. Instead, the atomic bomb served as a tool to bring the war in the Pacific to a close sooner.

Detailed explanation-5: -Thick clouds over the primary target, the city of Kokura, drove Sweeney to a secondary target, Nagasaki, where the plutonium bomb “Fat Man” was dropped at 11:02 that morning. More powerful than the one used at Hiroshima, the bomb weighed nearly 10, 000 pounds and was built to produce a 22-kiloton blast.