The city of Vigilia near Curiclum is mentioned in the Istoria Veneticorum and derived works, but the location of both places are unknown. The presence of a Canale Virgilio in the Venetian lagoon has led to the assumption that the place existed near present-day Pellestrina.
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.