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
City of Glasgow Police City of Glasgow Police The City of Glasgow Police or Glasgow City Police was the police of the City of Glasgow, Scotland. In the 17th century, Scottish cities used to hire watchmen to guard the streets at night, augmenting a force of unpaid citizen constables. On 30 June 1800 the authorities of Glasgow successfully petitioned the British Government to pass the Glasgow Police Act establishing the City of Glasgow Police. It served Glasgow from 1800 to 1975, when it was amalgamated into Strathclyde Police. It is sometimes described as the first modern-style municipal police force, although due to the original