History X Files on Instagram: "August 9, 1945 — just three days after Hiroshima. At 11:02 a.m., the U.S. dropped the second atomic bomb, “Fat Man,” on Nagasaki. The target was the city’s industrial valley, home to shipyards, munitions factories, and tens of thousands of civilians. The blast instantly leveled most of the city. Around 70,000 people were killed by the explosion and radiation by the end of the year. Japan surrendered less than a week later, ending World War II — but at an unimaginab