Yorkshire Electricity ended in 1997.
Yorkshire Electricity was created in 1948.
Before it's purchase and dissolution in 1997, Yorkshire Electricity provided electrical service to Yorkshire, as well as to parts of Derbyshire, Lincolnshire, and Nottinghamshire.
Yorkshire Traction ended in 2005.
Yorkshire Volunteers ended in 1993.
Yorkshire Factory Times ended in 1926.
East Yorkshire Regiment ended in 1958.
South Yorkshire Railway ended in 1864.
West Yorkshire County Council ended in 1986.
King's Own Yorkshire Light Infantry ended in 1968.
Yorkshire West - European Parliament constituency - ended in 1999.
Moulton - North Yorkshire - railway station ended in 1969.
Richmond railway station - North Yorkshire - ended in 1968.