[["The first atomic bomb was dropped by the United States on Hiroshima Japan, on August 6, 1945.", 237.0], ["The Atomic Bomb was first dropped on Hiroshima, Japan on August 6th, 1945 and a second Atomic bomb was dropped on Nagasaki, Japan on August 9, 1945, causing the Japanese Empire to surrender on Sept. 2, 1945.", 111.0]]
when was the first atom bomb dropped
history