Thomas Becket, the Archbishop of Canterbury, is formally canonized as a saint by Pope Alexander III. Becket, also known as Saint Thomas of Canterbury, and Thomas of London, served as Lord Chancellor from 1155 to 1162, and then as Archbishop of Canterbury from 1162 until his murder on December 29, 1170.
He engaged in conflict with Henry II, King of England, over the rights and privileges of the Church and was murdered by followers of the King in Canterbury Cathedral. Soon after his death, he was Canonized by Pope Alexander III. He is venerated as a saint and martyr by the Catholic Church and the Anglican Communion. More