Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
A pistol shot into the ceiling launched a coup that was over within a day, killing 18 and landing Hitler in prison.
A stray glow across his darkened lab in 1895 led Röntgen to a new kind of invisible light—and the world's first medical imaging.
Two empires' fates turned on a single afternoon in 1519, with an enslaved interpreter standing between the emperor and the conquistador.