Edited sentence: According to the Chronicle of Hildesheim in the entry of the year 985 is noted that Mieszko I came to help the Saxons in his fight against some Slavic forces, which are presumably Polabians.Arrived there (at the Diet of Quedlinburg) have also, among many other princes: Mieszko, Mściwoj ( and Bolesław promised to support him under oath as king and ruler.In 984 the Bohemians conquest Meissen, and in the same year Henry II finally resigned his pretentions over the German throne.It's believed that Mieszko I made this change in order to threaten his interests over the Polabian lands.Like in 973, Mieszko I stood at the side of the Bavarian Duke.One year later, the Polish ruler had a personal meeting with the Emperor, a event who was mentioned in the Chronicles of Hersfeldt:.Otto the boy-King was ally of Bohemia, but Mieszko arrives with gifts and chage his mind.Probably in 985 the Polish ruler ended his alliance with Bavaria and passed at the side of the Emperor.The Emperor left a minor successor, Otto III, who was placed under the care of Henry II of Bavarian.The rule played by Mieszko I in the subsequent struggles is unclear because of the conflicts between the contemporary sources.This fact is confirm in the chronicles of Thietmar:.This was a problem of both Polish and German rulers, while remaining outside of the interests of Bohemia