|• Mayor||Reinhard Buchhorn (CDU)|
|• Governing parties||CDU / SPD / Bürgerliste|
|• Total||78.85 km2 (30.44 sq mi)|
|Elevation||60 m (200 ft)|
|• Density||2,000/km2 (5,300/sq mi)|
|Time zone||CET/CEST (UTC+1/+2)|
|Dialling codes||0214, 02171 & 02173|
Leverkusen (//; German pronunciation: [ˈleːvɐˌkuːzn̩]) is a city in North Rhine-Westphalia, Germany on the eastern bank of the Rhine. To the South, Leverkusen borders the city of Cologne and to the North is the state capital Düsseldorf.
Dating back to the 12th century as Wiesdorf, the Leverkusen area was rural until the late 19th century.
Leverkusen was founded in 1930 by merging Wiesdorf, Schlebusch, Steinbüchel and Rheindorf. The city was posthumously named after the chemist and entrepreneur Carl Leverkus. In 1861, Leverkus set up a factory for the production of artificial ultramarine blue at the Kahlberg in Wiesdorf, and called the emerging settlement "Leverkusen" after his family home in Lennep.
In 1975, Opladen (including Quettingen and Lützenkirchen since 1930), Hitdorf and Bergisch Neukirchen joined Leverkusen. The present city is made up of several villages, originally called Wiesdorf, Opladen, Schlebusch, Manfort, Bürrig, Hitdorf, Quettingen, Lützenkirchen, Steinbüchel, Rheindorf and Bergisch-Neukirchen.
In 1860, Wiesdorf was chosen by the chemist Carl Leverkus for establishing a dye factory. The factory was taken over by the Bayer company in 1891. The company moved its office to Wiesdorf in 1912, turning the town into the centre of German chemical industry. After asset confiscation at the end of WWI it became IG Farben. The IG Farben factories were bombed by the USAAF Eighth Air Force on December 1, 1943, by the RAF on August 22, 1943, and by the RAF during Battle of Berlin (air) on November 19/20 and December 10/11, 1943. The predominance of Bayer could easily classify Leverkusen as a German monogorod.
Main sights and places of interest
- The BayArena is the stadium and home of Leverkusen's football team Bayer Leverkusen. After the extension the stadium now holds place for over 30,210 people.
- Bayer Cross Leverkusen
- The Bayer Cross Leverkusen is one of the largest illuminated advertisements in the world. It has an identifying meaning for Leverkusen's population.
- Freudenthaler Sensenhammer
- the Sensenhammer is a 'living' industrial museum. The permanent exhibition includes manufacture of scythes and sickles and the use of those tools in farming. The museum itself is the biggest exhibit. The museum is also used in a different way, for example for concerts or theater.
- Schloss Morsbroich - moated castle in the baroque style, now a museum for contemporary art
- Water Tower Leverkusen-Bürrig - 72.45-metre-high (237.7 ft) water reservoir containing an observation deck
- Neuland Park - large park beside the Rhine
- Japanese Garden - A garden created by Carl Duisberg at 1923
- Colony of workers - historical urban district in the center of Leverkusen
- Einigkeit und Recht und Freiheit - historical Boat bridge next to the Rhine between Wiesdorf and Rheindorf
- Mausoleum of Carl Duisberg - mausoleum in the center of the Carl Duisberg Park next to the Casino
- NaturGut Ophoven - educational center for nature in Leverkusen-Opladen
- Leaf Consulting Leverkusen - IT support und software development 
Leverkusen is twinned with:
Hickory, North Carolina, USA
- Jörg Bergmeister (born February 13, 1976), racing driver
- Uta Briesewitz, cinematographer
- Bärbel Dieckmann (born March 26, 1949), politician (SPD), mayor of Bonn 1994-2009
- Paul Janes, football player
- Heidemarie Ecker-Rosendahl (born February 14, 1947), athlete and olympic medalist
- Danny Ecker, athlete, son of Heidemarie Ecker-Rosendahl
- Friedrich Wilhelm Fuchs (June 4, 1902 - April 1, 1990), physicist and former rector of the RWTH Aachen University
- Hans Kühne, plant manager of IG Farben's (Bayer) plant in Leverkusen during World War II, acquitted of crimes against humanity in the IG Farben Trial 
- Dietmar Mögenburg, athlete
- Sabine Moussier, telenovela actress
- Ralf Schmitz, (born 1974) actor and comedian
- Detlef Schrempf (born January 21, 1963), former NBA basketball player
- Felix Sturm (born January 31, 1979), middleweight boxer
- Wolf Vostell, painter
- Werner Wenning (born October 21, 1946), former chairman of the board of Bayer AG
- Ji-In Cho (born 30 December 1976), singer of Krypteria
- "Amtliche Bevölkerungszahlen". Landesbetrieb Information und Technik NRW (in German). 4 September 2014.
- 322nd Dailies from 1943 - 91st Bomb Group (H). 91st Bomb Group. Retrieved on 2013-07-17.
- WW2 People's War - A Bedfordshire Bomb Aimer - Part Two. BBC. Retrieved on 2013-07-17.
- Leaf Consulting - IT company Leverkusen
- "Ystävyyskaupungit (Twin Cities)". Oulun kaupunki (City of Oulu) (in Finnish). Retrieved 2013-07-27.
- (Bracknell Town, part of the Bracknell Forest local authority twinned with Opladen in 1973, Opladen then incorporated with Leverkusen in 1975
- "Medmestno in mednarodno sodelovanje". Mestna občina Ljubljana (Ljubljana City) (in Slovenian). Retrieved 2013-07-27.
- Contract in German and Polish
- contract signed(in German)
- "Profit Over Life". The Nuremberg Pharma Tribunal. Retrieved tbd.
- Blaschke, Stefan (1999): Unternehmen und Gemeinde: Das Bayerwerk im Raum Leverkusen 1891-1914 Cologne: SH-Verlag, ISBN 3-89498-068-0 (German)
- Archive of Leverkusen (2005): Leverkusen. Geschichte einer Stadt am Rhein. Bielefeld: Verlag für Regionalgeschichte, ISBN 3-89534-575-X (German)
- Franz Gruß (1987): Geschichte und Porträt der Stadt Leverkusen. Leverkusen: Verlag Anna Gruß, ISBN 3-930478-03-X (German)
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