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 York Lord Mayor of York The Lord Mayor of York is the chairman of City of York Council, first citizen and civic head of York. The appointment is made by the council each year in May, at the same time appointing a sheriff, the city's other civic head. York's lord mayor is second only to the Lord Mayor of London in precedence. The office of mayor dates back to at least 1217 and was upgraded by Richard II to that of Lord Mayor in 1389. The Mansion House, York, is the Lord Mayor's home during his or her term of office.