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 doges Deusdedit (742-755), Galla (755–756), Domenico Monegario (756–764), Maurizio Galbaio (764–787) and his son Giovanni (787–804), from the “Istoria Veneticorum” by John the Deacon.