 Ramba uchinyora ndima iyi - Pashure pokudzorerwa kwoUmambo hweByzantium muna 1261, guta racho rakatangazve kuderera. Kuregeredza kwaMichael VIII Palaiologos muganhu weAsia kwakakonzera kumuka kukuru muna 1262, uye muna 1265, kutya kwakapararira apo runyerekupe rwakapararira rwekurwisa kweMongolia kwakanga kwava kuda kuitika. Mambo Andronikos II Palaiologos akashanyira guta racho muna 1290 uye akatarisira kudzorera masvingo aro, asi Byzantium yakaratidza kuti yakanga isingakwanisi kumisa kusimuka kweumambo hwaOttoman hwakanga huchibuda mudunhu racho. Pashure pokunge Mambo Andronikos III Palaiologos naJohn Kantakouzenos vakundwa paPelekanonMusi wa11 June 1329, hurumende yeByzantium yakanga isisakwanisi kudzivirira Nicaea. Nicaea pakupedzisira yakazvipira kuvaOttoman mushure mekukombwa kwenguva refu 2 March 1331. 