Bolesław I Chrobry
Though a state of Poland is not explicitly mentioned, the name "Schinesghe" most likely refers to Gniezno, one of the main settlements of the West Slavic Polans. Their duke Mieszko had himself baptised upon his marriage to Princess Dobrawa of Bohemia in 965. In the year 1000, at the Congress of Gniezno, the first Polish archdiocese was established, and Mieszko's son Duke Bolesław I Chrobry was acknowledged as "frater et cooperator" of the Holy Roman Empire by Emperor Otto III.