Buuxi weedha soo socota: Catepanate of Ras waxaa la aasaasay inta u dhaxaysa 971 <unk> 976, intii lagu jiray xukunka John Tzimiskes (r. 969 ilaa 976). Hantida "strategos" ee Ras waxaa loo taariikheeyay xukunkii Tzimiskes, taasoo macquul ka dhigaysa in kii ka horreeyay Tzimiskes ee Nikephoros II Phokas lagu aqoonsaday Rascia. "Protospatharios iyo katepano ee Ras" wuxuu ahaa taliye Byzantine ah oo la yiraahdo John. Xogta ku saabsan "katepano" ee Ras inta lagu gudajiray xukunkii Tzimiskes ayaa maqan. Joogitaanka ciidamada Byzantine-ka ayaa markiiba la soo afjaray.
Dagaalo uu la galay Bulgaariya, waxaana dib loo aasaasay oo kaliya ca. 1018 oo ay la socdeen Theme-ka Sirmium oo muddo gaaban jiray, taas oo, si kastaba ha noqotee, aan aad ugu sii fogeyn Serbia.