Thomas Beckett was praying when he was murdered

The knights that killed him said that they had been sent by the King

Beckett excommunicated the King

Beckett and Henry III hated each other before Beckett became the Archbishop of Canterbury

Beckett wanted to be the Archbishop of Canterbury

Henry III wanted to be able to appoint archbishops and bishops and Beckett refused to put his seal on it

Henry III was angry at Beckett for fleeing England

When 4 knights heard that the King was angry that Beckett had fled they decided to take it upon themselves to teach him a lesson by killing him

The knights did not feel triumph or joy after they had killed Beckett

Sir Reginald told Beckett that if he didn't kill him then it would have cost him his life

The knights did not ask Beckett to reverse the excommunications on the bishops before they killed him

Edward Grim tried to defend Becket but the knights cut his arm off as they were about to cut Beckett's head off

The four knights entered Canterbury on the Tuesday of Christmas week

The four knights had respect for the Cathedral and for Beckett