Inns of Court Regiment called to fight in the wars of King John or against Robert the Bruce. One such defence of Medieval London was organised in 1381 against Wat Tyler, during the Peasants' Revolt (when the Chief Justice was killed). In 1467, the Chief Justice of the Exchequer, then Recorder of the city of London, was instrumental in defeating a Lancastrian attack on the city of London. Further accounts, such as Henry Machyn's diary (1554), tell of more localised defences when "On the xij day of Juin was a gret fray be-twyn the Lord Warden's servants of Kent and the Ines of Greys
Lord Mayor of London the title Lord Mayor of the City of London was reintroduced, partly to avoid confusion with the Mayor of London. However, the legal and commonly used title remains Lord Mayor of London. The Lord Mayor is elected at "Common Hall" each year on Michaelmas, and takes office on the Friday before the second Saturday in November, at "The Silent Ceremony". The Lord Mayor's Show is held on the day after taking office; the Lord Mayor, preceded by a procession, travels to the Royal Courts of Justice at the Strand to swear allegiance to the sovereign before the Justices of the