Glasgow is the largest city in Scotland and third most popululated in the United Kingdom. The city is situated on the River Clyde in the country's west central lowlands.
Glasgow grew from the medieval Bishopric of Glasgow and the later establishment of the University of Glasgow in the 15th century, which subsequently became a major centre of the Scottish Enlightenment in the 18th century. From the 18th century the city also grew as one of Britain's main hubs of transatlantic trade with British North America and the British West Indies. With the Industrial Revolution, the city and surrounding region shifted to become one of the world's pre-eminent centres of Heavy Engineering, most notably in the Shipbuilding and Marine engineering industry, which produced many innovative and famous vessels. Glasgow was known as the "Second City of the British Empire" for much of the Victorian era and Edwardian period. Today it is one of Europe's top twenty financial centres and is home to many of Scotland's leading businesses.
In the late 19th and early 20th centuries Glasgow grew to a population of over one million, and was the fourth-largest city in Europe, after London, Paris and Berlin.