 Ramba uchinyora ndima ino - zvombo zveOttoman zvaisanganisira zvombo zvakawanda, zvizhinji zvacho zvakagadzirwa nemainjiniya eTurkey, kuwedzera kune zvombo zvakagadzirwa nemainjiniya eHungary Orban, uyo akanga ambopa mabasa ake kuna mambo weByzantine Constantine XI. Mutengo waOrban wezvombo zvacho wakanga wakakwirira, saka mambo weByzantium weConstantinople akanga asingakwanisi kuzvitenga. Mehmed II akanga akatsunga kukunda muhondo yacho, uye akashandisa zvombo kupwanya rusvingo rukuru rweConstantinople panguva yokukombwa kweConstantinoplemusi wa6 April 1453. 