Cornwall County Constabulary establishment of 500 and an actual strength of 446. On 1 April 1967 it amalgamated with Devon and Exeter Police and Plymouth City Police to form Devon and Cornwall Constabulary. Cornwall County Constabulary Cornwall County Constabulary was the Home Office police force for the county of Cornwall, England, until 1967. The force was formed in 1857. It absorbed Bodmin Borough Police in 1866, Liskeard Borough Police in 1877, Launceston Borough Police in 1883, Falmouth Borough Police, Helston Borough Police, Penryn Borough Police and St Ives Borough Police in 1889, Truro City Police in 1921, and Penzance Borough Police and the
Constitutional status of Cornwall 1858. The Officers of the Duchy, based on its researches, made this submission: However, the term 'county palatine' appears not to have been used historically of Cornwall, and the duchy did not have as much autonomy as the County Palatine of Durham, which was ruled by the Prince-Bishop of Durham. However, whilst not specifically called a county palatine, the Officers of the Duchy made the observation (Duchy Preliminary Statement – Cornish Foreshore Dispute 1856): "The Dukes also had their own escheators in Cornwall, and it is deserving of notice that in the saving clause of the Act of Escheators, 1