History In Medieval Poland thumb|left|Contemporary model of the early medieval Polish stronghold in Opole thumb|left|A fragment of medieval defensive walls that once surrounded Opole Opole's history begins in the 8th century. At this time, according to the archeological excavations,B. Gediga, Początki i rozwój wczesnośredniowiecznego ośrodka miejskiego na Ostrówku w Opolu, Slavia Antiqua t. 16, Wrocław 1970. the first settlement was founded on the Ostrówek – the northern part of the Pasieka Island in the middle of the Oder river. In the early 10th century it developed into one of the main "gords" of the Lechitic (Polish) Opolans tribe.
History In Medieval Poland thumb|left|Contemporary model of the early medieval Polish stronghold in Opole thumb|left|A fragment of medieval defensive walls that once surrounded Opole Opole's history begins in the 8th century. At this time, according to the archeological excavations,B. Gediga, Początki i rozwój wczesnośredniowiecznego ośrodka miejskiego na Ostrówku w Opolu, Slavia Antiqua t. 16, Wrocław 1970. the first settlement was founded on the Ostrówek – the northern part of the Pasieka Island in the middle of the Oder river. In the early 10th century it developed into one of the main "gords" of the Lechitic (Polish) Opolans tribe.