The anniversaries of the atomic bombings of Hiroshima and Nagasaki present an opportunity to demolish a cornerstone myth of American history — that those twin acts of mass civilian slaughter were necessary to bring about Japan’s surrender, and spare a half-million US soldiers who’d have otherwise died in a military conquest of the empire’s home islands.

Hiroshima, Nagasaki Bombings Were Needless, Said World War II’s Top US Military Leaders