Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: The first full-scale Ottoman Siege of Constantinople took place in 1422 as a result of the Byzantine Emperor Manuel II's attempts to interfere in the succession of Ottoman Sultans, after the death of Mehmed I in 1421. Tsika iyi yevaByzantium yaiwanzoshandiswa zvinobudirira mukuderedza vavakidzani vavo.  Mubvunzo: Kukomba kweOttoman kwakaitika mugore ripi?
Nhamba 1422