History of Scotland especially coal-mining. Scotland was already one of the most urbanised societies in Europe by 1800. The industrial belt ran across the country from southwest to northeast; by 1900 the four industrialised counties of Lanarkshire, Renfrewshire, Dunbartonshire, and Ayrshire contained 44 per cent of the population. Glasgow became one of the largest cities in the world, and known as "the Second City of the Empire" after London. Shipbuilding on Clydeside (the river Clyde through Glasgow and other points) began when the first small yards were opened in 1712 at the Scott family's shipyard at Greenock. After 1860, the Clydeside shipyards specialised
Scotland in the modern era of the population. The Roman Catholic Church accounted for 15.9% of the population and is especially important in West Central Scotland and the Highlands. In recent years other religions have established a presence in Scotland, mainly through immigration and higher birth rates among ethnic minorities, with a small number of converts. Those with the most adherents in the 2011 census are Islam (1.4%, mainly among immigrants from South Asia), Hinduism (0.3%), Buddhism (0.2%) and Sikhism (0.2%). Other minority faiths include the Bahá'í Faith and small Neopagan groups. There are also various organisations which actively promote humanism and secularism, included within