Founded in the 13th century, Gliwice is one of the oldest settlements in Upper Silesia, with a preserved Old Town core. Gliwice's most historical structures include (15th century), Gliwice Castle and city walls (14th century), (originally a hospital, 15th century) and (15th century). Gliwice is also known for its Radio Tower, where Gleiwitz incident happened shortly before the outbreak of World War II and which is thought to be the world's tallest wooden construction, as well as Weichmann Textile House, one of the first buildings designed by world-renowned architect Erich Mendelsohn. Gliwice hosted the Junior Eurovision Song Contest 2019 which took place on 24 November 2019.