Glasgow is the largest city in Scotland, the 3rd largest city in the United Kingdom, and, as of the 2011 census, the Scottish city with the highest population density with 3,395 people per square kilometre. It is situated on the River Clyde in the country's West Central Lowlands. Inhabitants of the city are referred to as Glaswegians. Glasgow grew from a small rural settlement on the River Clyde to become one of the largest seaports in the world. Expanding from the medieval bishopric and royal burgh, and the later establishment of the University of Glasgow in the 15th century, it became a major centre of the Scottish Enlightenment in the 18th century. From the 18th century the city also grew as one of Great Britain's main hubs of transatlantic trade with North America and the West Indies. In the late 19th and early 20th centuries Glasgow grew in population, eventually reaching a peak of 1,128,473 in 1939. In the 1960s,See More