Otto II's raid on Poland

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Otto II's raid on Poland (979)
Part of German–Polish War
Otto II, Holy Roman Emperor
Date 979 - Summer 980 Location Poznań, Greater Poland Result Polish victory
Belligerents
Civitas Schinesghe	Holy Roman Empire
Commanders and leaders
Mieszko I	Otto II
Strength
unknown	unknown

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.