City of London of the City held at the outdoor cross of St Paul's Cathedral, was formerly also held. Many of the medieval offices and traditions continue to the present day, demonstrating the unique nature of the City and its Corporation. In 1381, the Peasants' Revolt affected London. The rebels took the City and the Tower of London, but the rebellion ended after its leader, Wat Tyler, was killed during a confrontation that included Lord Mayor William Walworth. The City was burnt severely on a number of occasions, the worst being in 1123 and (more famously) in the Great Fire of London in
Peasants' Revolt May 1382. Sir Roger Bacon was probably arrested before the final battle in Norfolk, and was tried and imprisoned in the Tower of London before finally being pardoned by the Crown. As of September 1381, Thomas Ingleby of Bridgwater had successfully evaded the authorities. The royal government and Parliament began to re-establish the normal processes of government after the revolt; as the historian Michael Postan describes, the uprising was in many ways a "passing episode". On 30 June, the King ordered England's serfs to return to their previous conditions of service, and on 2 July the royal charters signed under