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Somerden was a hundred, a historical land division, in the county of Kent, England. It occupied the southwest corner of Kent, in the southern part of the Lathe of Sutton-at-Hone, in the west division of Kent. The hundred was one of the last to be created in Kent, unlike the majority of Kent hundreds, it was not formally constituted in the Domesday Book of 1086, but came into being sometime after. Today the area is mostly rural and located in the southern part of the Sevenoaks District, south of Sevenoaks and west of Tonbridge. Somerden Hundred was approximately 7.5 miles (12.1 km) wide east to west, and 5.5 miles (8.9 km) long north to south, and had a small exclave about 1 mile (1.6 km) out from its south east corner. In the 1831 census Somerden was recorded as having an area of 13,650 acres (55 km²). The population in that census was recorded as 3,924, of which 2,078 were male and 1,846 were female, who belonged to 734 families living in 567 houses.

The 1973 Wigan Council elections for the First Wigan Metropolitan Borough Council were held on 10 May 1973, with the entirety of the 72 seat council - three seats for each of the 24 wards - up for vote. It was the first council election as the newly formed metropolitan borough under a new constitution. The Local Government Act 1972 stipulated that the elected members were to shadow and eventually take over from the predecessor corporation on 1 April 1974. The order in which the councillors were elected dictated their term serving, with third-place candidates serving two years and up for re-election in 1975, second-placed three years expiring in 1976 and 1st-placed five years until 1978.