Local government in London recent organisation, having been set up in 2000 to replace the similar Greater London Council (GLC) which had been abolished in 1986. The headquarters of the GLA and the Mayor of London is at City Hall. The current Mayor of London is Sadiq Khan who was elected in 2016, replacing Boris Johnson, who served two terms. Health services in London are managed by the national government through the National Health Service, which is controlled and administered in London by a single NHS Strategic Health Authority called "NHS London". The 33 local authorities are the 32 London borough councils and 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