1954 film: How a Clean, Tidy Home Can Help You Survive the Atomic Bomb.
June 30, 1934 was the Night of the Long Knives, Hitler's purge of those standing in his way.
Catherine the Great's Secret Cabinet of Erotic Curiosities
Inventor creates a hover craft by strapping 76 drones to a seat.
ICYMI, Tuesday's links are here, and include weird historical baldness cures, Helen Keller's birthday (with a selection of non-PC jokes), animals with regional accents, and a set of awkward pregnancy photos.