1173

Decades: 1120s 1130s 1140s 1150s 1160s - 1170s - 1180s 1190s 1200s 1210s 1220s

Years: 1168 1169 1170 1171 1172 - 1173 - 1174 1175 1176 1177 1178

• Canonization of Saint Thomas a Becket, buried at Canterbury
• Construction started on the Leaning tower of Pisa in August
• Castle at Abergavenny was seized by the Welsh.
• Conversion to Christianity of Peter Waldo.
• End of Qiandao era and start of Chunxi era of the Chinese ruler Song Xiao Zong
• 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 Richard I of England and Henry the Young King rebelled against her husband, Henry II of England.

Births

• Welsh prince Llywelyn the Great

Deaths

• Richard of St. Victor
• Belarussian nun Euphrosyne of Polatsk, major contributor to Medieval Belarussian Culture.
• Alice, daughter of Italian count Humbert III of Savoy

Heads of states

• England - Henry II Curt Mantle, King of England (reigned 1154 - 1189).
• France - Louis VII, King of France (reigned 1137 - 1180).

Referenced By