USA HISTORY

Detailed explanation-1: -Atomic bombs have been used only twice in war-both times by the United States against Japan at the end of World War II, in Hiroshima and Nagasaki. A period of nuclear proliferation followed that war, and during the Cold War, the United States and the Soviet Union vied for supremacy in a global nuclear arms race.

Detailed explanation-2: -Although nuclear weapons have only been used twice in warfare-in the bombings of Hiroshima and Nagasaki in 1945-about 13, 400 reportedly remain in our world today and there have been over 2, 000 nuclear tests conducted to date.

Detailed explanation-3: -In August 1945, the atomic bombings of Hiroshima and Nagasaki were conducted by the United States against Japan at the close of that war, standing to date as the only use of nuclear weapons in hostilities.

Detailed explanation-4: -The first atomic bomb at Hiroshima At 8.15 on the morning of 6th August 1945, the Japanese city of Hiroshima was devastated by the first atomic bomb to be used as a weapon of war. The bomb, nicknamed ‘Little Boy’, was dropped from the USAAF B29 bomber ‘Enola Gay’ and exploded some 1, 800 feet above the city.

Detailed explanation-5: -On August 9, 1945, a second atom bomb is dropped on Japan by the United States, at Nagasaki, resulting finally in Japan’s unconditional surrender.