Mieszko Bolesławowic was facilitated by a deal between Ladislaus I of Hungary and Władysław I Herman. Another version, publicized by a Hungarian chronicler, claims that in 1086 Ladislaus I of Hungary invaded the Kingdom of Poland, took control of Cracow, and installed Mieszko as its ruler. Though there is no direct primary source evidence for this, notes in Cracow almanacs strongly suggest that during the years 1086 - 1089 Mieszko was prince of Cracow. However, sometime during this time he accepted over-lordship of his uncle Wladyslaw I Herman, and gave up his hereditary claim to the crown of Poland in exchange for
Spytihněv I, Duke of Bohemia Spytihněv I, Duke of Bohemia Spytihněv I (c. 875 – 915), a member of the Přemyslid dynasty, was Duke of Bohemia from 894 or 895 until his death. He was the eldest son of Duke Bořivoj I, the first historically documented Bohemian ruler, and his wife Ludmila. Spytihněv and his younger brother Vratislaus were still minors at the time of their father's death about 889, and the Bohemian lands were placed under the regency of their suzerain, the Great Moravian ruler Svatopluk I. After Svatopluk died in 894, an inheritance conflict arose between his sons Mojmír II and Svatopluk II.