Sheffield

Sheffield (ⁱ/ˈʃɛfiːld/) is a city and metropolitan borough in South Yorkshire, England. Historically part of the West Riding of Yorkshire, its name derives from the River Sheaf, which runs through the city. With some of its southern suburbs annexed from Derbyshire, the city has grown from its largely industrial roots to encompass a wider economic base. The population of the City of Sheffield is 563,749 (mid-2014 est.) and it is one of the eight largest regional English cities that make up the Core Cities Group. Sheffield is the third largest English district by population. The metropolitan population of Sheffield is 1,569,000

During the 19th century, Sheffield gained an international reputation for steel production. Many innovations were developed locally, including crucible and stainless steel, fuelling an almost tenfold increase in the population in the Industrial Revolution. Sheffield received its municipal charter in 1843, becoming the City of Sheffield in 1893. International competition in iron and steel caused a decline in traditional local industries in the 1970s and 1980s, coinciding with the collapse of coal mining in the area.