Edited sentence: During most of the Middle Ages, the Byzantine Greeks self-identified as Rhōmaîoi (, "Romans", meaning citizens of the Roman Empire), a term which in the Greek language had become synonymous with Christian Greeks.The Latinizing term Graikoí (Γραικοί, "Greeks") was also used, though its use was less common, and nonexistent in official Byzantine political correspondence, prior to the Fourth Crusade of 1204