London (English: London) is the capital of the United Kingdom, the largest city in the UK and the capital of its constituent country, England, with a total population of approximately 8,866,180. Located in the River Thames basin, it was founded by the Romans in 50 AD, then known as 'Londinium', and became one of the most important settlements in this region over the following two centuries. London is also a global city, holding a prominent position in the arts, commerce, education, entertainment, fashion, finance, healthcare, media, tourism, and transportation, among others. It is also one of the world's major financial centres. Tourism is one of London's primary industries, with attractions including the British Museum, Tate Modern, the National Gallery, the Natural History Museum, the Imperial War Museum, and the Science Museum, among many others.