How many civilians died in hiroshima and nagasaki?

On Aug. 6, 1945, during World War II, the United States dropped an atomic bomb on Hiroshima, Japan. About 140,000 people were killed or died within months when the American B-29 “Enola Gay” bombed Hiroshima on Aug. 6, 1945. Three days later, about 80,000 people died after the United States also bombed Nagasaki

Because the discoveries were some of the oldest human remains.