Nine thousand scientists from 43 nations signed a petition to ban nuclear testing.
Source
The most destructive riot in Constantinople's history, the Nika Riots, began during a chariot race.
Industrialist Henry Ford's method to construct auto bodies from plastic was patented.
Instruments used to observe Venus found two-thirds of the planet's southern hemisphere brightened after aerosols were triggered on an 'astronomical' scale.
Serial killer Jeffrey Dahmer changed his plea from not guilty to guilty but insane.
Johnny Cash recorded his iconic live album, At Folsom Prison.
