"Vratislaus (or Wratislaus) II (Czech: Vratislav II.) (d. 14 January 1092), the son of Bretislaus I and Judith of Schweinfurt, was the first King of Bohemia ...
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as of 15 June 1085, his royal title granted as a lifetime honorific from Holy Roman Emperor Henry IV that did not establish a hereditary monarchy. Before his elevation to the royal dignity, Vratislaus had ruled Bohemia as duke since 1061.
On his father´s death in 1055, Vratislaus became duke of Olomouc, whereas his older brother became Duke of Bohemia as Spytihněv II. He fell out with his brother and was exiled to Hungary. Vratislaus regained the ducal throne of Olomouc with Hungarian assistance and eventually reconciled with his brother, then succeeded him as duke of Bohemia when he died in 1061." - (en.wikipedia.org 29.12.2019)
