Police the onset of the Industrial Revolution. It became clear that the locally maintained system of volunteer constables and "watchmen" was ineffective, both in detecting and preventing crime. A parliamentary committee was appointed to investigate the system of policing in London. Upon Sir Robert Peel being appointed as Home Secretary in 1822, he established a second and more effective committee, and acted upon its findings. Royal assent to the Metropolitan Police Act 1829 was given and the Metropolitan Police Service was established on September 29, 1829 in London as the first modern and professional police force in the world. Peel, widely
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