Northumberland 1542 and Hexhamshire in 1572. Islandshire, Bedlingtonshire and Norhamshire were incorporated into Northumberland in 1844. Tynemouth and other settlements in North Tyneside were transferred to Tyne and Wear in 1974 under the Local Government Act 1972. Lying on the Anglo-Scottish border, Northumberland has been the site of a number of battles. The county is noted for its undeveloped landscape of high moorland, now largely protected as the Northumberland National Park. Northumberland is the least densely populated county in England, with only 62 people per square kilometre. Northumberland originally meant 'the land of the people living north of the River Humber'.
Cook County, Illinois largest of which is Chicago, which is home to approximately 54% of the population of the county. That part of the county which lies outside the Chicago city limits is divided into 29 townships; these often divide or share governmental services with local municipalities. Geographically, the county is the sixth-largest in Illinois by land area. It shares the state's Lake Michigan shoreline with Lake County. Including its lake area, the county has a total area of , the largest county in Illinois, of which is land and (42.16%) is water. Land-use in Cook County is mainly urban and densely populated.