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 Cathedral. The Lord Mayor also heads the City's Commission of Lieutenancy, which represents the Sovereign in the City of London (other counties usually have Lord Lieutenants, as opposed to Commissions), and annually attends the Treloar Trust (named after Sir William Treloar, Lord Mayor in 1906), in Hampshire. The Treloar Trust runs two educational sites for disabled children, a school and college. The residence of the Lord Mayor is known as Mansion House. The creation of the residence was considered after the Great Fire of London (1666), but construction did not commence until 1739. It was first occupied by a Lord