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").
Sir Roger Martyn (Lord Mayor of London 1567) Sir Roger Martyn (Lord Mayor of London 1567) Sir Roger Martyn (or Martin) was a mercer and Lord Mayor of London in 1567; he was also Sheriff of London in 1559. Due to his position as Lord Mayor of London in 1567, Sir Roger Martyn was present in his role as a high commissioner in the examination of a group of Puritans who had been accused of holding a conventicle in the Plumbers' Hall in June 1567. Also present at the examination were the Bishop of London, and Dean of Westminster. Also notably present at the examination was Edmund Bonner,