Today in History

Listings for Thursday, December 23, 2021.


  • 1672 Giovanni Cassini discovers Rhea, a satellite of Saturn
  • 1690 John Flamsteed sees Uranus but doesn't realize it's undiscovered
  • 1920 Ireland is divided into two parts, each with its own parliament
  • 1947 Transistor invented by Bardeen, Brattain & Shockley at Bell Labs
  • 1968 Borman, Lovell & Anders are the first men to orbit the moon.
  • 1973 six Persian Gulf nations double their oil prices
  • 1975 Congress passes Metric Conversion Act
  • 1986 Rutan & Yeager make 1st around-the-world flight without refueling

That's all for today.

Today In History