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
Glasgow Police Act 1800 establishing police forces in other Scottish cities and burghs, culminating in the Policing of Towns (Scotland) Act 1850 and the General Police and Improvement (Scotland) Act 1862. As well as making provision for the establishment of a police force, the Act also authorised the annexation of ninety-six acres of land surrounding the city. Glasgow Police Act 1800 The Glasgow Police Act 1800 was an Act of Parliament passed by the Parliament of Great Britain, which established a professional police force for the city of Glasgow. Under the Act, this police force was placed under the control of the Lord Provost,