 Rambai muchinyora ndima ino - VaBulgaria nevaByzantium vakabvumirana kuti vaite mushandirapamwe pamwe chete kurwisa Serbia, asi zvakatora makore mashanu kusvikira kusawirirana uye kunetsana pakati peBulgaria neByzantium zvapera. Michael Shishman akaunganidza mauto 15 000 ndokupinda muSerbia. Akarwisana namambo weSerbia Stephen Dečanski, uyo akanga achitungamirira uto rakanga rakaenzana, pedyo neguta riri pamuganhu reVelbazhd. Vatongi vacho vaviri, vose vari vaviri vaitarisira kusimbiswa, vakabvumirana kugumisa hondo kwezuva rimwe asi apo boka revaCatalan raitungamirirwa nomwanakomana wamambo Stephen Dušan rakasvika, vaSerb vakaputsa shoko ravo. VaBulgaria vakakundwa muhondo yakazotevera yeVelbazhduye mambo wavo akafa. Pasinei nokukunda kwavo, vaSerbia havana kuisa mungozi yokupinda muBulgaria uye mativi maviri akabvumirana kuita rugare. Somugumisiro, Ivan Stephen, mwanakomana wedangwe womufi mambo nomudzimai wake weSerbia, akamutsiva muTarnovo uye akabviswa pachigaro pashure pokutonga kwenguva pfupi. Bulgaria haina kurasikirwa nenharaunda asi haina kukwanisa kumisa kuwedzera kweSerbia muMakedhoniya. 