Ravensburg (Swabian: Raveschburg) is a city in Upper Swabia in Southern Germany, capital of the district of Ravensburg, Baden-Württemberg. Ravensburg was first mentioned in 1088. In the Middle Ages, it was an Imperial Free City and an important trading centre. The "Great Ravensburg Trading Society" (Große Ravensburger Handelsgesellschaft) owned shops and trading companies all over Europe. The historic city centre is still very much intact, including three city gates and over 10 towers of the medieval fortification. History. Ravensburg was first mentioned in writing in 1088.
https://en.wikipedia.org/wiki/Ravensburg