Otto II's raid on Poland (1 jan 979 ano – 1 jul 980 ano)

Descrição:

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.

Adicionado na linha do tempo:

Data: