On This Day

1173 in History

Events in History


BeatificationCanonization

Feb 21 Pope Alexander III canonizes Thomas Becket, Archbishop of Canterbury

Archbishop of Canterbury Thomas Becket
Archbishop of Canterbury
Thomas Becket
  • Aug 9 Construction of the Tower of Pisa begins, and it takes two centuries to complete.

Birthdays in History

  • Dec 23 Louis I, Duke of Bavaria (d. 1231)

Deaths in History

  • Aug 9 Najm ad-Din Ayyub, father of Saladin