Although from the earliest days of Dutch settlement there was always a "watch" of some type that patrolled the town, the fist established police force of approximately 800 men under the first Chief of Police, George W. Matsell, began to patrol the City in July of 1845.
Richmond Police Department was created in 1910.
Milwaukee Police Department was created in 1855.
Guam Police Department was created in 1949.
Rochester Police Department was created in 1819.
Memphis Police Department was created in 1827.
Minneapolis Police Department was created in 1867.
Vancouver Police Department was created in 1886.
Joplin Police Department was created in 1873.
Metra Police Department was created in 1983.
Omaha Police Department was created in 1857.
Henderson Police Department was created in 1953.
Indianapolis Police Department was created in 1854.