What are Medieval paintings of the murder of Thomas à Becket doing in Soria, Spain? And why does this story belong on a Christianity and Literature blog? The murder of Becket transformed Canterbury Cathedral from the most important church in the realm into the most important pilgrimmage site in England. Had Becket not stood up to Henry II, Chaucer might have had to write the Glastonbury Tales. During the twentieth century, both T.S. Eliot and Jean Anouilh wrote plays that dramatize this twelfth century playing out of the age-old battle between the rule of man and the rule of God.