Scotland in the modern era to become a cattle breed of worldwide reputation. 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 and the River Clyde became a major shipbuilding centre. 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
Scotland in the Late Middle Ages married Margaret of Denmark, receiving the Orkney Islands and the Shetland Islands in payment of her dowry. However, in 1482 Berwick, a border fortress and the largest port in medieval Scotland, fell to the English once again, for what was to be the final change of hands. Because medieval Scotland lacked the intrusive government and growing bureaucracy that can be found in contemporaneous England, there is very little evidence on which to base reliable estimates of population before the early 18th century. On the basis that it had roughly a sixth of the farmable land of England, it has been