Bolesław I the Brave in 1025 he had himself crowned King of Poland. He was the first Polish ruler to receive the title of "rex" (Latin: "king"). He was an able administrator who established the "Prince's Law" and built many forts, churches, monasteries and bridges. He introduced the first Polish monetary unit, the "grzywna", divided into 240 "denarii", and minted his own coinage. Bolesław I is widely considered one of Poland's most capable and accomplished Piast rulers. Bolesław was born in 966 or 967, the first child of Mieszko I of Poland and his wife, the Bohemian princess Dobrawa. His "Epitaph", which was written
Ludmila (wife of Mieszko I Tanglefoot) Ludmila (wife of Mieszko I Tanglefoot) Ludmila (d. October 20 after 1210) was the wife of Mieszko I Tanglefoot. Her origins are disputed. Mieszko I Tanglefoot married Ludmila between 1170-1178. Given her name, scientists think that Ludmila came from Bohemia, a member of the Přemyslid dynasty, since this was one of the only families to have women in it called Ludmila. However researchers have different opinions. It was suggested that she was daughter of Otto III, Duke of Olomouc and his wife Durantia, probably the daughter of Mstislav I of Kiev by his second wife Liubava Dmitrievna. There was also