Metropolitan Police Service Scotland Yard in Whitehall. The Met's current headquarters is New Scotland Yard, situated on the Victoria Embankment. The Metropolitan Police Service, whose officers became affectionately known as "bobbies", was founded in 1829 by Robert Peel under the Metropolitan Police Act 1829 and on 29 September of that year, the first units of the service appeared on the streets of London. In 1839, the Marine Police Force, which had been formed in 1798, was amalgamated into the Metropolitan Police. In 1837, it also incorporated with the Bow Street Horse Patrol that had been organised in 1805. Since January 2012, the Mayor
Metropolitan Police Service which patrolled a number of Greater London's major parks, was merged with the Metropolitan Police in 2004, and those parks are now policed by the Royal Parks Operational Command Unit. There is also a small park police force, the Kew Constabulary, responsible for the Royal Botanic Gardens, whose officers have full police powers within the park. A few London borough councils maintain their own borough park constabularies, though their remit only extends to park by-laws, and although they are sworn as constables under laws applicable to parks, their powers are not equal to those of constables appointed under the Police