On This Day

What Happened in May 1423

Famous Birthdays

  • May 30 Georg von Purbach, Austrian mathematician and astronomer (best known for his streamlined presentation of Ptolemaic astronomy in the Theoricae Novae Planetarum), born in Peuerbach, Austria (d. 1461)

Famous Deaths

  • May 23 Benedict XIII, [Pedro the Luna], Spanish Pope (1394-1423), dies