On This Day

What Happened in September 1217

Historical Events

  • Sep 12 French prince Louis & English King Henry III sign peace treaty
  • Sep 21 The Estonian tribal leader Lembitu of Lehola was killed in a battle against Teutonic Knights

Famous Deaths

  • Sep 10 William de Reviers, 5th Earl of Devon
  • Sep 21 Lembitu of Lehola, Estonian soldier