as the Scientific-Technological Campus, opened in 2015, that offers a wide range of engineering studies, belonging to the University of Jaén since 1 July 1993. Linares is also the place where the annual Linares chess tournament was held. History Around the middle of the nineteenth century Linares became an important mining center with lead mines nearby. The smelting of lead, the manufacture of lead sheets and pipes, and the production of by-product silver from the lead ores led to a significant population increase. The 6,000 inhabitants in 1849 became 36,000 in 1877. This commercial and industrial growth brought the concession of the title of city in 1875. Economy The lead mines of Linares were in almost interrupted activity from pre-Roman times until the 1990s. There were also lead smelters and gunpowder, dynamite and rope factories as auxiliary to the mining industry. Currently, the mines of Linares are protected as cultural heritage. Santana Motor, the former producer of all-terrain vehicles for the Spanish Army which was recently shut down due to the economic recession. There is also a factory producing trains (CAF), another one producing components for wind turbines (Grupo Daniel Alonso y Gamesa), and a beet sugar plant (Azucareras Reunidas de Jaen S.A.), which now produces biodiesel from colza oil, palm oil, soybeans, and sunflower oil. Sport Historically the town was always represented by a professional football team, however as the teams folded new ones came to replace them, producing a long timeliness of continuous clubs since 1909: SG Linarense (1909–20), Linares FC (1920–29), Gimnástica Linarense (1929–31), Linares Deportivo (1940–46), Atlético Linares (1946–48), CD Linares (1952–64), Linares CF (1961–90), CD Linares (1990–2009) and Linares Deportivo (2009–present). Personalities The bull ring in Linares is famous for the death in 1947 of bullfighter Manolete (Manuel Rodríguez Sánchez). On 28 August every year, people place flowers on his statue in Linares. Manolete's death is remembered in the ring by putting a bunch of roses in the place where he fell. Linares is the birthplace of classical guitarist Andrés Segovia, singer Raphael and the hometown of jazz vocalist Virginia Maestro and Blessed Manuel Lozano Garrido, who was beatified on Saturday 12 June 2010 in Linares. Also, it is the hometown of the writer Fanny Rubio International relations Twin towns – Sister cities Linares is twinned with: Linares, Nuevo León, Mexico Linares, Maule, Chile Linares, Nariño, Colombia Tomaszów Mazowiecki, Poland Castres, France Notes and references