William Grindecobbe motivated at least in part to rebel as a result of the pressures of papal taxation. Along with Wat Tyler and John Wrawe, he was one of the key leaders of the peasants during the revolt of 1381, leading the townspeople of St Alban's on 15 June. He was executed in 1381 along with John Wrawe and John Ball. His trial and execution was overseen by Henry le Despenser. During the Peasants' Revolt of 1381, he became well known for his actions against the high lord Thomas de la Mare, Abbot of St. Albans. He led a deputation to King
Lord Mayor of London of respect, by HM The Queen, Sovereign Head of the Order of St John. The office of Mayor was instituted in 1189, the first holder of the office being Henry Fitz-Ailwin de Londonestone. The Mayor of the City of London has been elected by the City, rather than appointed by the Sovereign, ever since a Royal Charter providing for a Mayor was issued by King John in 1215. The title "Lord Mayor" came to be used after 1354, when it was granted to Thomas Legge (then serving his second of two terms) by King Edward III. Lord Mayors are elected