Archbishop of Canterbury’s sermon on 850th anniversary of Thomas Becket preaching in Southwark – C of E January 4, 2021 by Fulcrum Archbishop Justin Welby preached this sermon at Southwark Cathedral, on the 850thanniversary of Archbishop Thomas Becket preaching at St Mary Overie. Church of England website. 11 December 2020 FulcrumShareTweetShare