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LESSON 6 · WWII: Secrets & Turning Points

The Bomb Nobody Expected

At 8:15 AM on August 6, 1945, a B-29 bomber named Enola Gay dropped a uranium bomb nicknamed "Little Boy" on Hiroshima. The blast was equal to about 15,000 tons of TNT.

In a single flash, roughly 80,000 people died instantly. By the end of 1945, radiation sickness and burns had pushed the toll past 140,000.

Three days later, a plutonium bomb struck Nagasaki, killing another 70,000. Japan surrendered on August 15, ending the deadliest war in history and opening the nuclear age.