Above, American swimming champion-turned-actress Esther Williams in a rare promo photo circa 1950. She was famed for being graceful in the water, but did just fine out of it too.
1920—Terrorists Bomb Wall Street
At 12:01 p.m. a bomb loaded into a horse-drawn wagon explodes in front of the J.P.Morgan building in New York City. 38 people are killed and 400 injured. Italian anarchists are thought to be the perpetrators, but after years of investigation no one is ever brought to justice.