▁of ▁Pl iska ). ▁ ▁Later ▁in ▁the ▁nin th ▁century , ▁during ▁the ▁reign ▁of ▁Bor is ▁I , ▁the ▁pag an ▁tem ples ▁in ▁Pl iska ▁likely ▁began ▁to ▁be ▁converted ▁to ▁Christian ▁churches . ▁In ▁ 8 8 6 , ▁Bor is ▁founded ▁the ▁Pl iska ▁Liter ary ▁School ▁which ▁was ▁moved ▁to ▁Pres lav ▁when ▁Bor is ▁later ▁re located ▁the ▁capital . ▁ ▁When ▁Bor is ▁fell ▁seriously ▁ill ▁and ▁retired ▁to ▁a ▁monaster y , ▁his ▁son ▁Vladimir ▁succeeded ▁him ▁and ▁attempted ▁to ▁re est ab lish ▁pag an ism . ▁ ▁During ▁this ▁period ▁( 8 8 9 - 9 3 ) ▁the ▁large ▁stone ▁bas il ica ▁at ▁Pl iska ▁built ▁under ▁Bor is ▁was ▁heavily ▁dam aged . ▁Bor is ▁left ▁his ▁monaster y ▁to ▁over throw ▁his ▁son , ▁and ▁after ▁succeed ing , ▁re located ▁the ▁capital ▁to ▁the ▁nearby ▁town ▁of ▁Pres lav ▁which ▁seems ▁to ▁have ▁been ▁a ▁centre ▁of ▁Christian ity ▁in ▁the ▁state . ▁Following ▁this ▁Pl iska ' s ▁relev ance ▁in ▁Bulgar ▁govern ance ▁stead ily ▁decl ined ▁until ▁the ▁Bulgar ian ▁state ▁was ▁destroyed ▁by ▁the ▁By z antine ▁general ▁turned ▁em peror ▁( when ▁he ▁murder ed ▁the ▁previous ▁em peror ▁N ike ph or os ▁Ph ok as ) ▁John ▁T z im isk es . ▁He ▁defeated ▁the ▁Russian ▁forces ▁that ▁had ▁occupied ▁Bulg aria ▁and ▁an nex ed ▁the ▁Bulgar ian ▁lands ▁all ▁the ▁way ▁to ▁the ▁Dan ube , ▁ending