In the eight decades since the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki — killing tens of thousands in seconds; dooming tens of thousands more to death by injury and radiation poisoning; and effectively ending the Second World War. Here, on the anniversary of the Hiroshima bombing on August 6, 1945, photos from the dawn of the Atomic Age.

Marking the anniversary of the nuclear bombing of Japan’s Hiroshima, Foreign Minister Mohammad Javad Zarif says the United States’ legacy of targeting civilians lives on 74 years after it became the only country to ever drop a nuclear bomb.