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Portraits taken on May 25 and 26, 2016 of survivors of the 1945 atomic bombing of Hiroshima: (top L to R) Keiko Ogura, Park Nam-Joo, Sunao Tsuboi; (bottom L to R) Shigeaki Mori, Misako Katani and Emiko Okada in Hiroshima

How Survivors of Hiroshima and Nagasaki Organized for Nuclear Disarmament

As a survivor of history’s deadliest atomic bombing, Setsuko Thurlow has a powerful case to make against nuclear weapons. On the morning of August 6, 1945, the 13-year-old Thurlow reported to a military office in Hiroshima, along with other girls recruited to help with Japan’s more

December 17th, 1903, Kittyhawk, North Carolina: The World's first flight with Orville Wright at the controls. His brother Wilbur is running at the side of the machine.

7 Gilded Age Inventions That Changed the World

The Gilded Age was a time of sweeping changes. From roughly 1870 to 1900, the United States transformed from a largely agrarian society of farmers and small producers to an industrial economy based in large cities. During those few short decades, there was also an explosion of more

Roman Emperor Constantine making a donation from the city of Rome to the Pope in support of his newfound devotion to the Christian church.

5 Ways Christianity Spread Through Ancient Rome

How did Christianity go from a small sect in a corner of the Roman Empire in the first century, to the religion that the emperor converted to in the early fourth century? Its spread was greatly aided by the empire’s political unification and extensive road system, as well as the more