The United Kingdom (U.K.) is ruled by Queen Elizabeth II and a parliamentary government. The fifth-largest economy in the world, the U.K. has 65 million people in England, Scotland, Wales, Ireland, North Ireland, and nearby islands. Internationally famous U.K. actors include Judy Dench, John Cleese, Emma Watson, Ryan Pattinson, and Jude Law. Celebrity musicians from the U.K. that are popular in America include One Direction, Duran Duran, the Beatles, the Rolling Stones, the Sex Pistols, and Led Zeppelin. Popular U.K. television shows followed in America include Shameless, Dr. Who, Downton Abbey, and Monty Python. In world history headlines, the U.K. is noted as having a large number of preserved structures, including an 11,500-year-old Scottish home.