Owing to the extensive use of water power along the rivers Ruhr, Lenne, Volme and Ennepe, metal processing played an important role in the region of Hagen in and even before the 15th century.
In the 17th and 18th century, textile and steel industries as well as paper producing followed.
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Hagen has been twinned with these towns:
1955 Elk in Poland (17.06.1955) - Homepage
1960 Liévin in France - Homepage
1963 Kouvola in Finland - Homepage
1965 Montluçon in France - Homepage
1967 Berlin-Steglitz/Zehlendorf in Germany - Homepage
1975 Bruck an der Mur in Austria (1974-1975 Hohenlimburg) - Homepage
1985 Smolensk in Russia - Homepage
1997 Modi'in in Isra ...