Canterbury's other important monuments include the Church of St Martin, the oldest church in England and Christ Church Cathedral, where Archbishop Thomas Becket was murdered in 1170.

UNESCO: World Heritage

In 1170, Thomas a Becket, Archbishop of Canterbury, was murdered by four knights acting on the orders of England's King Henry II.

CNN: Monday,

According to his website, the archbishop began his day at the corner of Cheapside and Ironmonger Lane in the City of London - the birthplace of St Thomas Becket, who was the Archbishop of Canterbury between 1161 and 1170.

BBC: Archbishop of Canterbury to miss Pope inauguration