By John Sanidopoulos
Emperor John XIII Palaiologos led the delegation that ultimately signed for the union with the Pope during the Synod of Ferrara-Florence. When the emperor John XIII died in October 1448, the process of electing a new emperor began, who was ultimately John's brother, Constantine XI Palaiologos. Overall, the last Roman emperor reigned from March 12, 1449 until May 29, 1453. Here are a summary of some of the proofs that Constantine Palaiologos was not a Uniate but an Orthodox Christian:
