1173
*
Canonization of Saint
Thomas à Becket, buried at
Canterbury*
August 9th - Construction starts on the
Leaning 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*
Llywelyn the Great, Prince of Aberffraw and Lord of Eryri (approximate date; died
1240)
*
Rostislav II of Kiev (died
1214)
*
Shinran, Japanese founder of
Jodo Shinshu Buddhism*
Conrad II,
Duke of Swabia (died
1196)
*
Tankei, Japanese sculptor (died
1256)
*
Roger de Clare, 3rd Earl of Hertford (born
1116)
*
Vladimir II Mstislavich,
Grand Prince of Kiev*
Boleslaus IV,
High-Duke of Poland*
Richard of St. Victor, French mystic and theologian
*
Benoît de Sainte-Maure, French poet and troubadour (born
1154)
