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 from these modest beginnings that the Glasgow Police embarked on more than 200 years of service to the City. In 1819 Lieutenant Peter McKinlay was appointed as Criminal Officer, Glasgow's first Detective. In 1846 the Glasgow Police merged with the Gorbals, Calton and Anderston Burgh Police. As a result of this, Glasgow Police divided into four Divisions and now numbered 360 officers. New uniforms were issued in 1849, which consisted of a better quality top hat, three-quarter length dress coats with standing collar and nine buttons. Electric telegraph adopted for communication between offices and other police forces in 1861 and