<prompt> Bhala okuqhubekayo kwalesi sigaba - Kwaqubuka ukuvukela okuhloswe ngakho ukubuyiselwa kombuso waseBulgaria. Ukuvukela kokuqala  <response>: wavuka eBelgrade ngo-1040. Yayiholwa uPetar Deljan, umzukulu kaTsar Samuel. Lokhu kwalandelwa yimibhikisho eminye eminingana: Ukuvukelwa eThesaly 1066 eholwa nguNikoulitzas Delphinas; Ukuvukelwa kukaGeorgi Voyteh; Ukuvukelwa eParistrion, kanye nokuvukela kukaDobromir eMesembria naseLeka eSredets namuhla iSofia ngo-1079. Ngemuva kokufika kukaComnenus emandleni, ukuvukelwa kweBulgaria kwehla, ngenxa yokuhlanganiswa kwezikhulu zakudala zaseBulgaria ekubuseni kombuso, njengoba kubonakala emibhalweni ka-Anna Komnene ngomkhulu wakhe uMaria waseBulgaria ku- Alexiad. 