Newport is a city and unitary authority area in south eastern Wales, on the River Usk near its assemblage with the Severn Estuary, 12 miles (19 kilometres) northeast of Cardiff. At the 2011 census, it was the third largest city in Wales, with a population of 145,700. The city forms part of the Cardiff-Newport metropolitan area, with a population of 1,097. Newport has been a port considering that middle ages times, when the first Newport Castle was developed by the Normans. The town grew out of the earlier Roman community of Caerleon, quickly upstream, as well as acquired its very first charter in 1314. It expanded dramatically in the 19th century, when its port came to be the focus of coal exports from the eastern South Wales Valleys. Till the rise of Cardiff from the 1850s, Newport was Wales' biggest coal-exporting port. Newport was the site of the last large-scale armed insurrection in Britain, the Newport Climbing of 1839 led by the Chartists. This was led by the Chartist John Frost which resulted in the re-branding of the Duffryn High School right into John Frost School. In the 20th century, the docks decreased in value, but Newport continued to be an essential production as well as engineering centre. It was provided city standing in 2002. Newport hosted the Ryder Cup in 2010 and was the place for the 2014 NATO summit.