After the Congress of Vienna in the year 1815 Hoyerswerda was given to Prussia. In 1825 it became part of Selesia. In 1873 the railway came to Hoyerswerda – opening up access to other parts of the country. This brought economic prosperity. A large repair workshop was built. In 1912 the Sorbians formed an organization called "Domowina" in Hoyerswerda. In the year 1945 a lot of Hoyerswerda was destroyed because it was a military stronghold of the German army. The invading troops of the Red Army set parts of the city on fire.