Flag of the City of London about the 13th century. His full figure representation was rapidly replaced with his symbolic representation of the sword. Some believe the sword is a dagger that commemorates the dagger of Sir William Walworth, former Lord Mayor of London, which killed Wat Tyler, leader of the Peasants' Revolt, in 1381. A verse at Fishmongers' Hall may explain the relationship: "Brave Walworth, Knight, lord mayor that slew Rebellious Tyler in his alarmes; The king therefore did give him in lieu The dagger to the city armes. However this is believed to be a fable, with the sword on the arms being used
Lord Mayor of London The ceremony is known as the "Silent Ceremony" because, aside from a short declaration by the incoming Lord Mayor, no speeches are made. At Guildhall, the outgoing Lord Mayor transfers the mayoral insignia — the seal, the purse, the sword and the mace — to the incoming Lord Mayor. The Lord Mayor to be elected in November 2017 was known in April of that year. The day after being sworn into office, the Lord Mayor leads a procession from the City of London to the Royal Courts of Justice in the City of Westminster, where the Lord Mayor swears allegiance