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 and non-commissioned career streams. Perhaps Trenchard's most well known achievement during his time as Commissioner was the establishment of the Hendon Police College which originally was the institution from which Trenchard's junior station inspectors graduated before following a career in the higher ranks. When Great Britain entered World War II on September 3, 1939, the strength of the Metropolitan Police stood at 18,428, which was 900 officers short of full strength. Due to the increased responsibilities of the police during war-time, three reserve groups were mobilised. The first consisted of 2,737 ex-police pensioners who were re-engaged, a second of 5,380