<P> It is known in Czech as Saská Kamenice and in Polish as Kamienica Saska . There are many other towns named Kamenica or Kamenice in areas with past or present Slavic settlement . </P> <P> An early Slavic tribe's settlement was located at Kamienica, and the first documented use of the name Chemnitz was the 1143 site of a Benedictine monastery around which a settlement grew . Circa 1170 Frederick I, Holy Roman Emperor granted it the rights of an imperial city . In 1307, the town became subordinate to the Margraviate of Meissen (the predecessor of the Saxon state). In medieval times, Chemnitz became a centre of textile production and trade . More than one third of the population worked in textile production . </P> <P> By the early 19th century, Chemnitz had become an industrial centre (sometimes called "the Saxon Manchester"). In 1913, Chemnitz had a population of 320,000 and, like Leipzig and Dresden, was larger at that time than today . After losing inhabitants due to the first World War Chemnitz grew rapidly again and reached its all - time peak of 360,250 inhabitants in 1930 . Before the world economic crises, it was supposed that the city would keep on growing and would become a "Millionenstadt" (engl . Megacity, literally: city with at least one million inhabitants) by incorporating also fast growing smaller towns and municipalities around it . </P> <P> Allied bombing destroyed 41% of the built up area of Chemnitz during World War II . Chemnitz contained factories that produced military hardware and a Flossenbürg forced labor subcamp (500 female inmates) for Astra - Werke AG . The oil refinery was a target for bombers during the Oil Campaign of World War II, and Operation Thunderclap attacks included the following raids: </P>

Which city is known as manchester of germany