Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
History of the Royal Military Police Police", together with its cap badge and other distinctive insignia including the red cap. On 5 March 1995, the Mounted Troop was disbanded after 118 years of service to the crown and the colours. 1511 First Provost Marshal of whom a personal record is known 1813-14 Staff Corps of Cavalry raised by Wellington for Peninsular War 1815-18 Staff Corps of Cavalry reformed for Waterloo Campaign 1854-55 Mounted Staff Corps formed for service in the Crimea 1855 Military Mounted Police (MMP) formed to police the new military cantonment at Aldershot 1877 MMP established as a Permanent Corps 1882 Military Foot Police