<prompt> Bhala okuqhubekayo kwalesi sigaba - Isikhathi ngemva kweMpi yaseMaritsa  <response>: 1371 kwavela usongo olusha, amaTurkey ase-Ottoman. Baqala ukuhlasela iMoravian Serbia ngo - 1381, nakuba ukuhlasela kwangempela kwafika kamuva. Ngo - 1386, amahhashi kaLazar anqoba ibutho lama - Ottoman eduze kwasePločnik, eningizimu yeSerbia yanamuhla. Kwafika elinye i-Ottoman ehlobo lika-1389, kulokhu lalibhekise eKosovo. 