Kugwa kwa Konstantinople, ubuturo bw’umwami w’abami Konstantini mu biganza by’Abaturukiya mu w’1453 kwavugije akarumbeti ko gusamba, gupfa, no kujya mu cyunamocy’ubwmi bw’Abaroma bw’iburasirazuba, ndetse Uburayi bwose buhîshwa ubwoba bundi bushya n’igitero cy’Abislamu, kiraba ariko gihagarikwa mu w’1683 na Yohana Sobiyeksi mu ntambara yabereye i Viyene muri Otrishe.