Editing 1172 (section)

==== Religion ====
* [[May 21]] &ndash; [[Henry II of England]] does penance at [[Avranches Cathedral]] for the murder of [[Thomas Becket]].
* [[September 27]]–[[September 28|28]] &ndash; [[Compromise of Avranches]]: [[Pope Gregory VIII|Alberto di Morra]] is sent by [[Pope Alexander III]] to the [[Council of Avranches]] to investigate the [[Becket controversy]]. Henry II is absolved of censures for Becket's murder in view of his penance and swears to go on a crusade. He revokes two controversial clauses of the [[Constitutions of Clarendon]] and is reconciled with the papacy.
* c. October &ndash; The [[Synod of Cashel]] in Ireland brings [[Celtic Christianity]] more into alignment with the [[Latin Church]] (the modern [[Catholic Church]]).
* According to the annals of the [[Worcester Cathedral#Worcester Priory|Worcester Priory]] in England, "nothing memorable" happens in this year.<ref>{{cite book|volume=4|title=Annales Monastici|editor-first=Henry Richards|editor-last=Luard|year=1869|quote=MCLXXII. Nihil memoriale.}}</ref></onlyinclude>