Place
Japan
3 files documenting events in Japan.
Tokyo Firebombing
On the night of 9–10 March 1945, U.S. B-29 bombers attacked Tokyo with incendiary weapons in Operation Meetinghouse. The raid marked a major shift in the American strategic bombing campaign against Japan: from high-altitude attacks intended to strike industrial targets toward low-altitude night attacks designed to burn broad urban-industrial districts. Tokyo's war economy was not divided neatly between factories and homes. Small workshops and subcontractors were dispersed through dense residential areas, while much of the city's construction was highly vulnerable to fire. The resulting conflagration devastated large sections of eastern Tokyo. Casualty estimates vary: the U.S. Navy's official historical overview describes the raid as having claimed an estimated 100,000 lives, while other U.S. military histories cite figures around 83,000 or more than 80,000. Tokyo matters to Humanity Files because it demonstrates that mass urban destruction did not begin with nuclear weapons — months before Hiroshima, conventional incendiaries had already shown that modern air power could destroy a city district and kill tens of thousands of people in a single night.
Hiroshima
At 8:15 a.m. on 6 August 1945, a U.S. Army Air Forces B-29, Enola Gay, released a uranium-235 atomic bomb nicknamed Little Boy over Hiroshima. The weapon exploded roughly 600 metres above the city. Hiroshima was a military headquarters and logistics centre, but it was also a large city filled with civilians, mobilized students, Korean and other colonial subjects, and some prisoners of war. Hiroshima City estimates that approximately 350,000 people were in the city when the bomb exploded and that about 140,000 people had died by the end of December 1945, while emphasizing that the precise number can never be known. The bomb destroyed much of the built-up city through blast, heat and fire. Ionizing radiation added a form of injury not present in conventional bombing. The basic facts of the bombing are well documented. The central historical controversy is different: how necessary was the atomic bombing to end the Pacific War, and how should its role be weighed against the Soviet Union's entry into the war, Japan's internal political crisis, the continuing blockade and bombing campaign, and the planned Allied invasion? Serious historians disagree. Humanity Files therefore separates the established event from the contested interpretation.
Nagasaki
At 11:02 a.m. on 9 August 1945, three days after Hiroshima, a U.S. B-29 named Bockscar dropped a plutonium implosion bomb known as Fat Man over Nagasaki. The mission had originally aimed at Kokura, but visibility problems led the crew to proceed to its secondary target. Nagasaki was an important industrial port with major Mitsubishi shipbuilding and arms facilities. It was also a city of families, schools, hospitals, churches, neighbourhoods, conscripted and forced workers, and prisoners of war. The bomb detonated over the Urakami Valley. Nagasaki City's historical records give a figure of 73,884 dead and 74,909 injured, while other institutional histories commonly round the death toll by the end of 1945 to roughly 70,000–75,000. Nagasaki raises an especially difficult historical question because it was the second atomic bombing: historians debate not only whether atomic bombing was necessary in general, but whether the second bomb was necessary when and where it was used, and whether Japanese decision-makers had enough time to comprehend Hiroshima before the second attack.