əpˌɑːn ðə dˈɛθ ʌv pɹˈɪns bˈɑːlslɔː ɹˌoʊmən θɹˈiː ɹˈaɪməθ ɪn wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd θˈɜːɾi ˈeɪt, mˈɪlɪkz bɪkˌeɪm pˈɑːɹt ʌvðə pˈoʊlɪʃ dˈʌtʃi ʌv saɪlˈiːʒə, ɹˈuːld baɪ dˈuːk bˈɑːlslɔː aɪ ðə tˈɔːl fɹʌm wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɪksti θɹˈiː, ænd wʌzðə sˈiːt əvə kˈæsɪləni.
Upon the death of Prince Bolesław III Wrymouth in 1138, Milicz became part of the Polish Duchy of Silesia, ruled by Duke Bolesław I the Tall from 1163, and was the seat of a castellany.