Bolesław I

Type Figure Region Poland Time 967–1025 Also known as Bolesław the Brave

Bolesław I (967–1025), Piast ruler of Poland, crowned king by the pope in 1025;…

Timeline

992–1000Gniezno · PolandAfter inheriting from his father Mieszko I, Bolesław continued the Christianization of Poland, established a bishopric at Gniezno, and strengthened ties with the Roman Curia.
1000–1025Kraków · PolandBolesław clashed repeatedly with Kievan Rus' to the east and the Holy Roman Empire to the west, controlling Moravia and other lands; in 1025, shortly before his death, he was crowned king by the pope, establishing the Kingdom of Poland.

Gallus Anonymus, Gesta principum Polonorum — Gallus Anonymus https://en.wikipedia.org/wiki/Gesta_principum_Polonorum
Bolesław I — Encyclopaedia Britannica https://www.britannica.com/biography/Boleslaw-I