Pedzisa mutsara unotevera:
kupandukira kwevaByzantine kwevaBulgaria nevaVlach muna 1185. Vapanduki vakapinda muumambo hweByzantium, vakatora Constantinople muna 1204 ndokusimbisa Umambo hwavo hweLatin. Kaloyan weBulgaria akakunda Baldwin I, mambo wechiLatin weConstantinople, muHondo yeAdrianople musi wa14 Kubvumbi 1205. Kutonga kwaIvan Asen II weBulgaria kwakatungamira mukuwedzera kwenzvimbo uye kwaIvan Alexander weBulgaria kune yechipiri Golden Age yetsika dzeBulgaria. Umambo hweByzantium hwakadzorerwa zvizere muna 1261.