How is Canterbury Cathedral related to the story of Thomas à Becket?

Thomas à Becket was the Archbishop of Canterbury under King Henry II - - who elevated Becket to the position because he believed he could control the church through him. When Becket persisted in standing on his convictions and the rights of the church - - in opposition to Henry - - Henry declared, "Won't someone rid me of this turbulent priest?" His guards took him at his word and ambushed Becket at the altar in the cathedral, brutally murdering him.

The Canterbury cathedral related to the story of Thomas a Becket because Becket was murdered in Canterbury CathedralBecket was an archbishop who is also a friend of King Henry II. He was murdered when he's on the altar.