John Fresshe of King Richard II's ill-fated poll tax within the city from December 1380. It was this tax which was to provoke the outbreak of the Peasants' Revolt in June the next year. Fresshe was one of three such men—along with fellow mercers, John Horn and Adam Karlille—to be sent by the then-mayor, William Walworth, to meet with the army assembled by rebel leader Wat Tyler at Blackheath in June 1381. Juliet Barker suggests that this was a pivotal meeting in the history of the revolt. The Mayor instructed Fresshe and his colleagues to negotiate with the rebels, and, if possible,
Lord Mayor of London the Foreign Secretary addresses an audience of international dignitaries. The Lord Mayor sometimes takes part in major state occasions, for example in 2013, the then-Lord Mayor, Roger Gifford carried the Mourning Sword at Margaret Thatcher's Funeral, processing ahead of the Queen and Prince Philip, Duke of Edinburgh, into St Paul's Cathedral. The Lord Mayor performs numerous other functions, including serving as the Chief Magistrate of the City of London, Admiral of the Port of London, Rector of City, University of London, President of Gresham College, President of City of London Reserve Forces and Cadets Association, and Trustee of St Paul's