Witten () is a city with almost 100,000 inhabitants in the Ennepe-Ruhr-Kreis (district) in North Rhine-Westphalia, Germany. Geography Witten is situated in the Ruhr valley, in the southern Ruhr area. Bordering municipalities Bochum Dortmund Herdecke Wetter (Ruhr) Sprockhövel Hattingen Boroughs Witten is divided into eight boroughs and each borough is further divided into two or more city-districts. Every district has its own district-number: Witten-Mitte: 11 Innenstadt, 12 Oberdorf-Helenenberg, 13 Industriegebiet-West, 14 Krone, 15 Crengeldanz, 16 Hauptfriedhof, 17 Stadion, 18 Industriegebiet-Nord, 19 Hohenstein Düren: 21 Düren-Nord, 22 Düren-Sued Stockum: 31 Stockum-Mitte, 32 Dorney, 33 Stockumer Bruch, 34 Wilhelmshöhe Annen: 41 Tiefendorf, 42 Wullen, 43 Annen-Mitte-Nord, 44 Annen-Mitte-Süd, 45 Kohlensiepen, 46 Wartenberg, 47 Gedern Rüdinghausen: 51 Industriegebiet-Ost, 52 Rüdinghausen-Mitte, 53 Buchholz, 54 Schnee Bommern: 61 Steinhausen, 62 Bommerbank, 63 Bommerfeld, 64 Wettberg, 65 Buschey, 66 Bommeregge Heven: 71 Papenholz, 72 Hellweg, 73 Wannen, 74 Heven-Dorf, 75 Lake Herbede: 81 Herbede-Ort, 82 Vormholz, 83 Bommerholz-Muttental, 84 Durchholz, 85 Buchholz-Kaempen Population 1739–2020 History Witten was first mentioned in historic sources in 1214, however the borough Herbede (which was incorporated into the city in 1975) dates back to 851. The city was a mining town from 1578. In 1946, it was included in North Rhine-Westphalia on its establishment. In 1975 Witten was included in the administrative district Ennepe-Ruhr-Kreis and it is now its biggest city. 1975 was also the year Witten was first counted to have more than 100,000 inhabitants, the threshold to be considered a large city ("Großstadt") in Germany. Roburit Explosion In the late 19th century Witten was known for the Roburit dynamite. This dynamite was once used by coal mines around the world. In 1906 an explosion occurred, resulting in the deaths of 41 people. Politics In the local elections of 2004 the Social Democratic Party (SPD) was the largest party on the council with 24 seats. It was followed by the Christian Democratic Union (CDU) with 18 and the Alliance 90/The Greens with 7, the WBG (a conservative lis) and Free Democrats with four each, FLW (also a conservative list) with three, National Democratic Party two, and the PDS/WAL (socialists) and AUF Witten (a left wing list) with one each. From 2004 to 2020, for the first time in its history, the council was led by a female mayor: Sonja Leidemann (SPD). In the election of 2020 she lost her mandate to Lars König (CDU). Mayor The current mayor of Witten