<prompt> Nyora kuenderera kweiyi ndima - Musi wa 26 Gunyana 1371, maOttoman akakunda uto rakakura revaKristu raitungamirwa nehama dzeSerbia Vukašin Mrnjavčević naJovan Uglješa muhondo yeChernomen  <response>: . Vakakurumidza kutendeukira kuBulgaria ndokukunda Thrace yokuchamhembe, Rhodopes, Kostenets, Ihtiman, uye Samokov, chaizvoizvo vachiganhurira chiremera chaIvan Shishman munyika dziri kuchamhembe kwemakomo eBalkan neBani reSofia. Asingakwanisi kurwisa, mambo weBulgaria akamanikidzwa kuva muranda weOttoman, uye mukudzoka akawanazve mamwe maguta akarasika uye akachengetedza makore gumi orugare rusina kugadzikana. 