Bottom line: On August 6, 1945, the United States dropped the atomic bomb called Little Boy on Hiroshima, Japan, following that act three day later by the atomic bombing of Nagasaki on August 9. The two bombings, which brought World War II to a close, are the only use of nuclear weapons in war to date.How many people died in Nagasaki?
However, it's estimated roughly 70,000 to 135,000 people died in Hiroshima and 60,000 to 80,000 people died in Nagasaki, both from acute exposure to the blasts and from long-term side effects of radiation.How much of Nagasaki was destroyed?
Almost 63% of the buildings in Hiroshima were completely destroyed after the bombing and nearly 92% of the structures in the city had been either destroyed or damaged by blast and fire. Estimates of total deaths in Hiroshima have generally ranged between 100,000 and 180,000, out of a population of 350,000.