History of the Metropolitan Police Service been headed by a Commissioner, rather than a Chief Constable which is the highest rank in police forces outside London. The first Commissioners to hold the post were Lieutenant-Colonel Sir Charles Rowan and Sir Richard Mayne. When Sir Charles Rowan died, leaving Sir Richard Mayne as the surviving Commissioner, Captain William Hay was drafted in to jointly run the force with Mayne. However, because the two Commissioners did not agree on methods of running the force, since 1855 it was decided that only one Commissioner would run the force. Metropolitan Police patrols took to the streets on 29 September 1829,
History of the Metropolitan Police Service first black female officer. On February 1, 1971, Karpal Kaur Sandhu, born in Zanzibar but of Indian heritage, joined the Metropolitan Police and thus became the Metropolitan Police's (and Britain's) first female Asian police officer. This was before India itself had female police officers (the first female police officer in India was Kiran Bedi in 1972). The first Woman Detective Constable was appointed in 1973. 1973 was also the year that the separate Women's Department was fully integrated into the Metropolitan Police. Female police officers did not get equal pay with male police officers until 1974. In 1976 the first