At 11:02 a.m. on Aug. 9, 1945, the bomb, nicknamed “Fat Man,” exploded approximately 500 meters above Nagasaki, Japan. It instantly killed an estimated 70,000 of the city’s population. Three days earlier, on Aug. 6, 1945, an American B-29 Superfortress bomber called Enola Gay dropped a uranium-235 bomb on Hiroshima, eventually killing at least 140,000 people. It was the first and only time nuclear weapons have been used. Their destructive power was unprecedented, incinerating buildings and people and leaving lifelong scars on survivors, not just physical but also psychological, and on the cities themselves. Days later, World War II was over.
On the 72nd anniversary of the U.S. atomic bombing of Nagasaki and amid growing tension between Washington and North Korea, here’s a look back at that fateful event. (AP/Getty images)