Buhun Konstantinoful ya faru ne a cikin Afrilu 1204 kuma ya nuna ƙarshen yakin Crusade na huɗu .Dakarun 'yan Salibiyya sun kama, sun kwashi ganima, sun lalata sassan Constantinople, a lokacin babban birnin Daular Byzantine.Bayan kama birnin, an kafa Daular Latin (wanda aka sani da Rumawa da sunan Frankokratia ko Ma'aikatar Latin) kuma Baldwin na Flanders ya zama Sarkin sarakuna Baldwin I na Konstantinoful a Hagia Sophia.Bayan korar birnin, akasarin yankunan Daular Rumawa sun rabu a tsakanin 'yan Salibiyya .Mahukuntan Byzantine kuma sun kafa wasu ƙananan ƙasashe masu zaman kansu, ɗaya daga cikinsu shine Daular Nicaea, wanda a ƙarshe zai sake kwato Constantinople a 1261 kuma ya yi shelar maido da Daular.Duk da haka, daular da aka maido ba ta taba samun nasarar kwato tsohon yanki ko karfin tattalin arzikinta ba, kuma daga karshe ta fada hannun daular Ottoman mai tasowa a cikin 1453 Siege na Konstantinoful .Buhun Konstantinoful babban juyi ne a cikin tarihin tsakiyar zamanai.Matakin da 'yan Salibiyya suka dauka na kai hari kan birni mafi girma na Kirista a duniya ba a taba ganin irinsa ba kuma nan take ya jawo cece-kuce.Rahotanni na satar 'yan Salibiyya da cin zarafi sun ba da kunya kuma sun tsoratar da duniyar Orthodox;dangantaka tsakanin majami'un Katolika da na Orthodox sun sami mummunan rauni na tsawon ƙarni da yawa bayan haka, kuma ba za a gyara su sosai ba har sai zamani.Daular Rumawa ta kasance mafi talauci, karami, kuma a karshe ta kasa kare kanta daga yakin Seljuk da Ottoman da suka biyo baya;Ayyukan 'Yan Salibiyya ta haka ne kai tsaye ya kara rugujewar Kiristendam a gabas, kuma a cikin dogon lokaci ya taimaka wajen saukaka yakin Ottoman na Kudu maso Gabashin Turai.