Otto II's raid on Poland (1 ene 979 año – 1 jul 980 año)

Descripción:

Otto II's raid on Poland was a military expedition against Civitas Schinesghe the state of Mieszko I after Mieszko I supported the rebellious prince Henry the Quarrelsome during the civil war in Germany following the death of Emperor Otto I the Great. The invasion ended in defeat for the Holy Roman Empire, as Otto II could not achieve any military success which forced him to return to Germany.

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