Mezue ahịrịokwu na-esonụ: Na 1235, Danylo Romanovych nke Halych nyere obodo ahụ akwụkwọ ikike obodo ma kwaga isi obodo nke ngalaba ya na 1241<unk>1272 mgbe mbibi nke Halych site n'aka ndị Mongol na 1240<unk>1241. Danylo wuru ụlọ ọhụrụ n'elu ugwu ahụ na 1237, otu n'ime ụlọ ole na ole Ruthenian nke guzogidere mwakpo Mongol, wee guzobe eparchy Ọtọdọks (diocese) nke hiwere isi na Basilica nke Ọmụmụ nke Virgin Mary. Ruo narị afọ nke 14, obodo ahụ mepụtara dị ka akụkụ nke Alaeze nke Galicia <unk> Volhynia na mgbe ahụ dị ka akụkụ nke obere oge Principality nke Chełm na Belz (lee Duchy nke Belz). N'afọ 1366, eze Casimir nke Atọ Ukwu nke Poland weghaara mpaghara ahụ mgbe o merisịrị na
Agha Galicia na Volhynia. Na 4 Jenụwarị 1392, a kpaliri obodo ahụ ma nye ya ikike n'okpuru Iwu Magdeburg, yana nnukwu nnwere onwe dị n'ime ya na obodo ahụ hụrụ ọtụtụ ndị Poland na ndị ọzọ na-ekpe Katọlik.