Nyorera kupfuurira kweiyi ndima - Munguva yehafu yekutanga yenguva ino (1185) Humambo hweByzantine hwakadzora maBalkan, uye pasi pemadzimambo eKomnenian pakanga paine kumutsidzirwa kwekubudirira nekugadziriswa kwemaguta; zvisinei, kutonga kwavo kweSoutheastern Europe kwakaguma nekupanduka kwakabudirira kweVlach-Bulgarian muna 1185
, uye kubvira ipapo nharaunda yakakamurwa pakati pevaByzantine muGirisi, zvimwe zvikamu zveMacedonia, neThrace, vaBulgaria muMoesia uye mazhinji eTrace neMacedonia, uye maSerb kuchamhembe kwakadziva kumadokero. Machechi okuMabvazuva neokuMadokero akanga apatsanuka zviri pamutemo muzana ramakore rechi 11, uye pasinei zvapo nenhambo dzenguva nenguva dzokubatira pamwe mukati mezana ramakore rechi 12, muna 1204 Hondo yechina yechiKristu yakatora nenzira yokunyengera Constantinople. Izvi zvakakanganisa zvikuru vaByzantium, uye simba ravo rakazopedzisira ratapudzwa nevaSeljuks uye Umambo hweOttoman hwakanga huchiwedzera muzana remakore rechi14 ne15. Simba roUmambo hweLatin, zvisinei, rakanga risingagari kwenguva refu pashure pokunge hondo yeCrusader yakundwa naMambo weBulgaria Kaloyan muHondo yeAdrianople (1205).