Mayor of London the winner hours earlier. Mr Sadiq Khan, a member of the Labour party, is the first Muslim to be elected Mayor of London. Incumbent Mayor Boris Johnson did not run for re-election for a third term in office, as he had been elected the Member of Parliament for the Conservative Party in Uxbridge and South Ruislip in the 2015 General Election. Most powers are derived from the Greater London Authority Act 1999, with additional functions coming from the Greater London Authority Act 2007, the Localism Act 2011 and Police Reform and Social Responsibility Act 2011. The main functions are: The
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