During which period was Altes Lager an important Viking trading post?
Altes Lager (Menzlin):  The site, on the banks of the river Peene, was an important Viking trading-post during the Viking Age. Viking Age: The Viking Age is the period from the late 8th century to the mid-11th century in European history, especially Northern European and Scandinavian history, following the Germanic Iron Age.
i don't know