Lord Mayor of London been mandatory for election to the Lord Mayoralty. Two Sheriffs are selected annually by Common Hall, which meets on Midsummer's Day for this purpose. By an ordinance of 1435, the Lord Mayor must be chosen from amongst the Aldermen of the City of London. Those on the electoral roll of each of the City's 25 Wards select one Alderman, who formerly held office for life or until resignation. Now each Alderman must submit for re-election at least once in every six years. The Lord Mayor is then sworn in November, on the day before the Lord Mayor's Show ("see below").
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