Mieszko I of Poland mentions a gift or dedication of Mieszko's land to the Pope (the act took place almost a hundred years earlier). It is roughly his borders that Poland was returned to in 1945. There is no certain information on Mieszko I's life before he took control over his lands. Only the "Lesser Poland Chronicle" gives the date of his birth as somewhere between the years 920–931 (depending on the version of the manuscript), however, modern researchers don't recognize the Chronicle as a reliable source. Several historians on the basis of their investigations postulated the date of Mieszko I's birth to have
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