Obelerio was doge of Venice from 804, after the fall of the Galbaio, until 811, following the war with the Franks in 809.
The account of the election of the first three doges of Venice (Pauluccio, Marcello and Orso), from the anonymous “Chronicon Altinate”.
Venice was an independent state for almost a millennium, but it might note have been. It all hinged on a single battle fought in the Venetian lagoon in 810.