Mezue ahịrịokwu na-esonụ: Agha Kosovo kpebiri ọdịnihu dị ogologo nke Serbia, n'ihi na ugbu a ọ nweghị ike ọ bụla nwere ike iguzogide ndị Turkey ozugbo. Nke a bụ oge na-ejighị n'aka nke akara nke ọchịchị nke nwa Prince Lazar <unk> despot Stefan Lazarević <unk> ezigbo onye na-agba ịnyịnya nke Europe, onye isi ndị agha, na onye na-ede uri. Stefan bụ onye mbụ nke Sultan Bayezid I, na-ekewapụ onwe ya na Agha nke Nicopolis na 1396 na na
Ankara na 1402, emesịa nweta nnwere onwe mgbe ọnwụ Bayezid. Nwa nwanne nna ya na onye nketa Đurađ Branković kwagara isi obodo ahụ na obodo siri ike nke Smederevo. Ndị Turkey nọgidere na-emeri ruo mgbe ha jidere ókèala nile nke ebe ugwu Serbia n'ikpeazụ na 1459 mgbe Smederevo dara n'aka ha. Nanị ókèala ndị Serbia nweere onwe ha bụ akụkụ ụfọdụ nke Bosnia na Zeta. Mgbe Ọchịchị Zeta dasịrị na 1496, Alaeze Ukwu Ottoman chịrị Serbia ruo ihe fọrọ nke nta ka ọ bụrụ narị afọ atọ. E guzobere alaeze Serbia n'okpuru nchebe Hungary, mgbe ọdịda nke Serbian Despotate, site n'ezinụlọ Branković (mgbe e mesịrị, ndị ọzọ Serbian nobles weghaara ocheeze ahụ) n'ihe bụ Vojvodina, Slavonia, na Bosnia ugbu a. Steeti dị n'okpuru nọrọ oge ya niile na-alụ ọgụ ndị Ottoman ma na-anọchite anya ihe nketa nke ihe fọdụrụ na alaeze Serbia. Ọ dara na 1540 mgbe mmeri ndị Ottoman nke ala ndị Serbia, nke were ihe dị ka afọ 200 nke agha na-aga n'ihu, mesịrị zuo.