Bayan da sarki daya tilo na dukan Roman Empire Constantine ya gina sabon babban birnin daular a Byzantium, wani birni mai mahimmanci a kan Bosporus.
Tabbas, mafi rikitarwa na jumla shine "Bayan sarki daya tilo na duk Daular Roman Constantine ya gina sabon babban birnin daular a kan Bosphorus, watau Constantinople, cibiyar nauyi a cikin daular an yarda da ita gaba ɗaya don canzawa gaba ɗaya zuwa gabashin Bahar Rum. "