1919 disestablishments in the United Kingdom

British aristocratic title

cryptanalysis department

right|thumb|1912 Siddeley-Deasy 18-24 Althorpe Special Cabriolet The Siddeley-Deasy Motor Car Company Limited was a British automobile, aero engine and aircraft company based in Coventry in the early 20th century. It was central to the formation, by merger and buy-out, of the later Armstrong Siddeley Motor and Armstrong Whitworth Aircraft companies.

infantry division of the British Army, formed in early 1915

British civilian organization (1915-1919 and 1939-1949)