Battle of Mokra took place 5 kilometres north of Kłobuck. During World War II, the town was incorporated into the Third Reich, as part of the County of Blachownia (German: Landkreis Blachstädt), Upper Silesia Province. Most of Kłobuck's 2,000 Jews were murdered in the Holocaust. Some Jewish families that survived the Holocaust moved to other countries, notably, Australia, Sweden, Israel and the USA. A Jewish Survivor, Zeleg Berkowitz, moved to Sweden and documented the Jewish communities life in Pre-Holocaust Klobuck. In the immediate postwar period, Kłobuck returned to Kielce Voivodeship, but in 1950, together with Częstochowa, it was moved to Katowice Voivodeship. In 1952, Kłobuck County was created, and in 1975–1999, the town belonged to Częstochowa Voivodeship. After the war, Kłobuck quickly developed in the 1950s and 1960s, when several heavy industry enterprises were opened, and iron ore deposits were found. Geography Kłobuck is located on the border of two mesoregions: Wieluń Upland and Krzepice Slip, which form a part of Wieluń-Woźniki Upland. Kłobuck is located by the Biała Oksza river and Czarna Oksza river. Landscape The city is located on a hilly fragment of Woźniki-Wieluń Upland. The highest point within the town's limits is Dębowa Góra – 284 meters above the sea level. Land use Kłobuck has an area of 47,46 km2. About 71% of the area is used for agricultural purposes (mostly for arable farming and grazing). About 20% of the town's area is forested, whilst 9% of the land is covered by houses, industrial estates and infrastructure such as roads. Nature Dębowa Góra nature reserve is located within the town's limits, 2 km from the town centre. This nature reserve gives special protection to the remains of primeval oak and hornbeam forests. Most of the forests within Kłobuck's limits are a part of the Kłobuck forest district (Nadleśnictwo Kłobuck). There are no big natural bodies of water within the town's limits. The Zakrzew reservoir is located on the border of Rybno village and Kłobuck. Sights Church of Saint Martin and Margaret – church built in its original form in 12th and 13th century. The first stone church was built in 1144 in a Romanesque style. In the beginning of the 15th century, Kłobuck parish was one of the biggest in Poland covering the area of 800 km2. Between 1443 and 1458, Jan Długosz, one of the most famous chroniclers in Poland was a parish priest in Kłobuck.