Yorkshire a third part. The three ridings in Yorkshire were named the East Riding, West Riding and North Riding. The East and North Ridings of Yorkshire were separated by the River Derwent and the West and North Ridings were separated by the Ouse and the Ure/Nidd watershed. In 1974 the three ridings of Yorkshire were abolished and York, which had been independent of the three ridings, was incorporated into the new county called North Yorkshire. It later became part of York Unitary Authority. For statistical purposes, Yorkshire is divided, as of 2018, between three regions of England. Most of the county
Northumberland (Ontario electoral district) between Northumberland—Durham and Prince Edward—Hastings ridings. In 1976, Northumberland riding was recreated from parts of those two ridings. The new riding consisted of the County of Northumberland (including the Village of Hastings), but excluding the Township of Hope, the Town of Cobourg, and the part of the Township of Hamilton lying west of the Town of Cobourg and south of the Macdonald Cartier Freeway), and the Townships of Rawdon and Sidney (but excluding the city of Belleville) in the County of Hastings. In 1987, it was redefined to consist of the County of Northumberland and the City of Trenton. The