1155

Births 
 February 28 – Henry the Young King, son of Henry II of England (died 1183)
 May 17 – Jien, Japanese poet and historian (died 1225)
 November 11 – King Alfonso VIII of Castile (died 1214)
 Saito Musashibo Benkei, Japanese fighting monk
 Kamo no Chomei, Japanese writer (died 1216)
 Shahab-ud-din Suhrawardi, a Sufi saint and mystic of Islam.