ov ia ▁and ▁the ▁Gal icia – Vol h yn ia ▁Wars , ▁Hal ych ▁was ▁an nex ed ▁by ▁Polish ▁King ▁Cas imir ▁III ▁the ▁Great . ▁In ▁ 1 3 6 7 , ▁it ▁was ▁granted ▁Mag de burg ▁rights , ▁and ▁in ▁the ▁same ▁year , ▁a ▁Roman ▁Catholic ▁Dioc ese ▁was ▁established ▁here . ▁Five ▁years ▁later , ▁Pope ▁Gregory ▁XI ▁created ▁in ▁Av ignon ▁the ▁Arch di oc ese ▁of ▁Hal icz , ▁which ▁controlled ▁the ▁Dioc eses ▁of ▁K holm ▁( Che ł m ), ▁Per emy sh l ▁( Pr z emy ś l ) ▁and ▁Vol od ym yr - Vol yn sky i ▁( W łod z im ierz ▁Wo ły ński ). ▁In ▁ 1 4 0 9 , ▁the ▁Arch di oc ese ▁was ▁moved ▁to ▁L viv . ▁ ▁After ▁King ▁Cas imir ' s ▁death ▁( 1 3 7 0 ), ▁Louis ▁I , ▁King ▁of ▁Poland ▁and ▁Hung ary ▁subject ed ▁Red ▁Ruth enia ▁to ▁the ▁authority ▁of ▁Hung arian - app oint ed ▁star ost as , ▁over look ed ▁by ▁Duke ▁Vlad is laus ▁II ▁of ▁O pole . ▁Hung ari ans ▁remained ▁in ▁Hal ich ▁until ▁ 1 3 8 7 , ▁when ▁Queen ▁J ad w iga ▁of ▁Poland ▁removed ▁them ▁and ▁re - anne x ed ▁the ▁area ▁into ▁Poland . ▁In ▁the ▁Kingdom ▁of ▁Poland , ▁Hal ich ▁remained ▁one ▁of ▁main ▁administrative ▁cent ers ▁of ▁the ▁Ruth en ian ▁Vo iv odes