What Happened on November 20, 1923

Historical Events

  • American inventor Garrett Morgan patents his traffic signal design, adding a caution between 'stop and 'go', an important development in automobile safety [1]
  • Rentenmark replaces the Papiermark as the official currency of Germany at the exchange rate of one Rentenmark to One Trillion (One Billion on the long scale) Papiermark

Famous Birthdays

  • Beryl Sprinkel, American economist (Council of Economic Advisers), born in Richmond, Missouri (d. 2009)
  • Nadine Gordimer, South African author (July's people, Nobel 1991), born in Springs, Transvaal, (d. 2014)

About November 20, 1923

Day of the Week: Tuesday
How Long Ago? 100 years, 5 months and 8 days
Leap Year: No

Generation: Greatest Generation
Chinese Zodiac: Pig
Star Sign: Scorpio