This photo shows the detonation of a U.S. nuclear device codenamed Umbrella, set off on Enewetak Atoll in the Marshall Islands as part of the Hardtack test series, and specifically designed to test radiation contamination on ships exposed to underwater nuclear blasts. The eight kiloton explosion threw a column of water 5,000 feet high, along with whatever unlucky fish, dolphins, and whales happened to be in the vicinity. Just more collateral damage in the ongoing arms race, and certainly not the last. The bomb went off today in 1958.
1919—Pollard Breaks the Color Barrier
Fritz Pollard becomes the first African-American to play professional football for a major team, the Akron Pros. Though Pollard is forgotten today, famed sportswriter Walter Camp ranked him as “one of the greatest runners these eyes have ever seen.” In another barrier-breaking historical achievement, Pollard later became the co-head coach of the Pros, while still maintaining his roster position as running back.