Aarwangen is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. ==History== Aarwangen is first mentioned in 1255 as villa Arwangen. Aarwangen grew from a fortified toll crossing over the River Aare, in a region where there were few realistic crossing places. The first bridge was built in the early years ...
Found on http://en.wikipedia.org/wiki/Aarwangen
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