Bretislaus I (1000–1055)
Born 1000 CE, died 1055 CE.
Bretislav I (Czech: Břetislav I.; c. 1002 – 10 January 1055), known as the "Bohemian Achilles", of the Přemyslid dynasty, was Duke of Bohemia from 1034 until his death in 1055.
Text from the Wikipedia article Bretislav_I, licensed CC BY-SA 4.0.