The United States and Canada formed NORAD – the North American Air Defense Command.
Source
The first-ever quadraphonic concert was held.
The first university in the New World, the National University of San Marcos, was founded in Lima, Peru.
One hundred and forty thousand miners went on strike in Pennsylvania.
Revolutionary War soldiers formed the Society of St. Tammany.
More than 69,000 people lost their lives to a magnitude 8.0 earthquake in Sichuan, China.
