Norman and Medieval London of 1381 led by Wat Tyler, London was invaded. A group of peasants stormed the Tower of London and executed the Lord Chancellor, Archbishop Simon Sudbury, and the Lord Treasurer. The peasants looted the city and set fire to numerous buildings. Tyler was stabbed to death by the Lord Mayor William Walworth in a confrontation at Smithfield, thus ending the revolt. During the Wars of the Roses there was strong support in London for the Yorkist cause. The Lancastrian Henry VI was forced to leave London for the Midlands in 1456 due to hostile attitudes in the capital. He was
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