. ▁▁ 9 2 5 ▁ ▁Michael ▁of ▁Z ah um l je ▁disapp ears ▁from ▁sources . ▁▁ 8 9 3 – 9 2 7 ▁ ▁a ▁church ▁is ▁built ▁in ▁So č an ica . ▁▁ 9 2 7 ▁ ▁Cro at ian - B ul gar ▁battle ▁in ▁eastern ▁Bos nia ▁▁ 9 2 7 ▁or ▁ 9 3 3 ▁ ▁Č as lav ▁returns ▁to ▁Ser bia . ▁ ▁Č as lav ▁un ites ▁the ▁tribes ▁of ▁Bos nia , ▁Herz egov ina , ▁Old ▁Ser bia ▁and ▁Mont en eg ro ▁( in cor por ated ▁Z eta , ▁P ag ania , ▁Z ah um l je , ▁Tra v un ia , ▁Kon av le , ▁Bos nia ▁and ▁Ras cia ▁into ▁Ser bia , ▁ ι ▁ Σ ε ρ β λ ι α ). ▁ ▁before ▁ 9 6 0 ▁ ▁The ▁Mag y ars ▁in va de ▁Bos nia . ▁ ▁Č as lav ▁and ▁his ▁army ▁defe ats ▁the ▁Mag y ars . ▁K isa , ▁the ▁Magyar ▁Duke , ▁is ▁killed ▁by ▁T ih om ir . ▁( see ▁Battle ▁of ▁Dr ina ) ▁ ▁T ih om ir ▁receives ▁the ▁Dr ina ▁ž up ania ▁and ▁mar ries ▁the ▁daughter ▁of ▁Č as lav . ▁ ▁after ▁ 9 6 0 ▁ ▁K isa ' s ▁wid ow ▁returns ▁with ▁an ▁army . ▁Č as lav ▁is ▁captured ▁and ▁killed . ▁ ▁T ih om ir ▁becomes ▁the ▁Ser bian