Treviso (Latin: Tarvisium) was founded in Roman times, and it was an important city of Byzantine Venetia, then a Lombard duchy, and a Venetian regimento.
The dukes Obelerius and Beatus, and the war with the Franks, from the “Chronica per extensum descripta” (1340s) by Andrea Dandolo.
The account of the dukes Obelerius and Beatus, from the “Istoria Veneticorum” by John the Deacon.
Internal strife in Venetia led to the murder of a patriarch, and a change of government.
The doges Deusdedit (742-755), Galla (755β756), Domenico Monegario (756β764), Maurizio Galbaio (764β787) and his son Giovanni (787β804), from the “Istoria Veneticorum” by John the Deacon.