The Isle of Man, a dependency of the British Crown located in the Irish Sea equidistant from Ireland, Scotland and England, has an area of 227 sq. mi. (588 sq. km.) and a population of 71,714. Agriculture, dairy farming, fishing and tourism are the chief industries. ,The prevalence of prehistoric artifacts and monuments on the islands give evidence that its mild, almost sub-tropical climate was enjoyed by mankind before the dawn of history. Vikings came to the Isle of Man during the 9th century and remained until ejected by Scotland in 1266. The island came under the protection of the English Crown in 1288, and in 1406 was granted, in perpetuity, to the Earls of Derby. In 1736 it was inherited by the Duke of Atholl. Rights and title were purchased from the Duke of Atholl in 1765 by the British Crown; the remaining privileges of the Atholl family were transferred to the crown in 1829. The Sovereign of the United Kingdom (currently Queen Elizabeth II) holds the tile Lord of Man. The Isle of Man is ruled by its own legislative council and the House Keys, one of the oldest legislative assemblies in the world. Acts of Parliament passed in London do not affect the island unless it is specifically mentioned.,, ,United Kingdom bank notes and coinage circulate concurrently with Isle of Man money as legal tender.,, Rulers:,,, ,British,, Monetary System:,,, ,1 Pound = 20 Shillings to 1971,,