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 1216 History by Year 1218 Famous People by Nationality American British Canadian French German Russian