Dee ihe na-aga n'ihu maka paragraf a - N'ihi nnukwu ọnwụ ndị Ottoman kpatara n'agha Maritsa
N'afọ 1371, alaeze ukwu Serbia kewara gaa n'ọtụtụ alaeze. N'agha a lụrụ na Kosovo n'afọ 1389, e meriri ndị agha Serbia ọzọ. N'ime narị afọ nke 15 na nke 16, ọgụ nọgidere na-alụ n'etiti alaeze dị iche iche nke Serbia na Alaeze Ukwu Ottoman. Ihe gbanwere ọnọdụ ahụ bụ mgbe ndị Turkey meriri Constantinople. Na 1459, mgbe nnọchibido ahụ gasịrị, isi obodo Serbia nke nwa oge nke Smederevo dara. Zeta meriri site na 1499. Belgrade bụ obodo ukwu ikpeazụ dị na Balkan nke guzogidere ndị agha Ottoman. Ndị Serbia, ndị Hungary, na ndị agha Europe bụ́ ndị na-aga agha n'aha Kraịst meriri ndị agha Turkey mgbe ha nọchibidoro Belgrade na 1456. Mgbe Belgrade merisịrị mwakpo nke ndị Ottoman ruo ihe karịrị afọ 70, o mesịrị daa na 1521, tinyere akụkụ ka ukwuu nke Alaeze Hungary. Nnupụisi nke ọchịagha ndị agha Serbia bụ Jovan Nenad n'etiti 1526 na 1528 dugara nkwupụta nke Alaeze Ukwu nke Abụọ nke Serbia na mpaghara Serbia nke Vojvodina nke oge a, nke so na mpaghara ikpeazụ nke Serbia iguzogide ndị Ottoman. Ọchịchị aka ike nke Serbia dara na 1459, si otú a na-egosi mmeri Ottoman nke narị afọ abụọ nke ndị isi Serbia.