1. 
   Bochum
   city, North Rhine–Westphalia Land (state), northwestern Germany. It lies in the heart of the industrial Ruhr district, between the cities of Essen ...
   Found op http://www.britannica.com/eb/a-z/b/84
   
   
2. 
   Bochum
   ==History== Bochum dates from the 9th century, when Charlemagne set up a royal court at the junction of two important trade routes. It was first officially mentioned in 1041 as Cofbuokheim in a document of the archbishops of Cologne. Originally, it may have meant "Brookhome" or "Bacheim" and later ...
   Found op http://en.wikipedia.org/wiki/Bochum
   
   
3. 
   Bochum
   Bochum (bō'khoom) , city (1994 pop. 401,060), North Rhine–Westphalia, W Germany. Mentioned in the 9th cent. and chartered in 1321, it remained a small farming community until the development of nearby coal mines in the mid-19th cent. By the late 19th cent. it was a leading center of ...
   Found op http://www.infoplease.com/ce6/world/A0808051.html
   
   

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