Rimini is a city in the Italian region of Emilia-Romagna, and one of the five cities of the Byzantine Pentapolis.
The Venetians are mentioned twice in the biography of Sergius, archbishop of Ravenna (744–769, in the “Liber pontificalis ecclesiae Ravennatis”.
The Pactum Lotharii was a treaty between the Duchy of the Venetians and the Holy Roman Empire, or parts thereof, from 840.