Title: Un empereur de Byzance à Rome
Subjects: Foreign relations, Catholic Church, History, Papacy, Relations, Orthodox Eastern Church
Places: Byzantine Empire
People: John V Palaeologus Emperor of the East (d. 1391), Urbanus V Pope (d. 1370), John V Palaeologus Emperor of the East (d. 1391,), Pope Urbanus V (d. 1370)