1173

Contents

Events

Births

Deaths

Events

★ Canonization of Saint Thomas à Becket, buried at Canterbury

★ August 9 — Construction starts on the Tower of Pisa

★ Castle at Abergavenny was seized by the Welsh.

★ Conversion to Christianity of Peter Waldo and the subsequent founding of the Waldensians.

★ End of Qiandao era and start of Chunxi era of the Chinese emperor Xiaozong

★ End of reign of Polish ruler Boleslaus IV of Poland and start of reign of Casimir II of Poland

★ Eleanor of Aquitaine and her sons rebel against her husband Henry II of England in the Revolt of 1173–1174.

★ First recorded use of Algebraic chess notation.

★ Election of Reginald Fitz Jocelin to be Bishop of Bath.

Births

★ Llywelyn the Great, Prince of Aberffraw and Lord of Eryri (approximate date; d. 1240)

★ Rostislav II of Kiev (d. 1214)

★ Shinran, Japanese founder of Jodo Shinshu Buddhism (d. 1263)

★ Conrad II, Duke of Swabia (d. 1196)

★ Tankei, Japanese sculptor (d. 1256)

Deaths

★ August 9 — Najm ad-Din Ayyub, father of Saladin

★ Roger de Clare, 3rd Earl of Hertford (b. 1116)

★ Vladimir II Mstislavich, Grand Prince of Kiev (b. 1132)

★ Boleslaus IV, High-Duke of Poland (b. 1120)

★ Richard of St. Victor, French mystic and theologian

★ Benoît de Sainte-Maure, French poet and troubadour (b. 1154)