Question: In the Battle of Głogów  the Imperial forces were under command of Holy Roman Emperor and the fourth and last ruler of the what dynasty?
Sentence (from "Battle of Głogów"): The Battle of Głogów or Defense of Głogów (German: "Schlacht bei Glogau" , Polish: "Obrona Głogowa" ) was fought on 24 August 1109 at the Silesian town of Głogów, between the Kingdom of Poland and the Holy Roman Empire.
Relevant evidence: Yes