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'.
Polk Township, Monroe County, Indiana the National Register of Historic Places. According to the 2010 census, the township has a total area of , of which (or 88.06%) is land and (or 11.94%) is water. (This list is based on USGS data and may include former settlements.) The township contains these four cemeteries: Burgoon Church, Hillenburg, Mitchell and Todd. Polk Township, Monroe County, Indiana Polk Township is one of eleven townships in Monroe County, Indiana, United States. As of the 2010 census, its population was 360 and it contained 195 housing units. It is one of the least densely populated townships in the state; this