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
History of the Metropolitan Police Service often called for assistance from the Metropolitan Police because of their detective experience. The last case of this was when the now defunct Buckinghamshire Constabulary called upon the MPS to help in the investigation of the Great Train Robbery. In 1931, Hugh Trenchard was appointed as Police Commissioner Trenchard served as head of the Metropolitan Police until 1935 and during his tenure he instigated several changes. These included limiting membership of the Police Federation, introducing limited terms of employment and the short-lived creation of separate career paths for the lower and higher ranks akin to the military system of officer