Exarchatus (colore auranteo) et territoria Langobardorum (griseo) anno 590
Exarchatus Ravennas (-atis)[1] sive Exarchatus Italiae fuit provincia Byzantina in Italia a saeculo sexto exeunte usque ad annum 751, cum ultimus exarchus a Langobardis supplicio affectus est.
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Hodgkin, Thomas: 553-600 The Lombard Invasion. Italy and Her Invaders, Vol. 5, liber VI (Replica ed.). Bostoniae: Elibron Classics.
Norwich, John Julius (1982): A History of Venice. Novi Eboraci: Alfred A. Knopf.
