Victorius of Aquitaine, a countryman of Prosper of Aquitaine and also working in Rome, produced in AD 457 an Easter Cycle, which was based on the consular list provided by Prosper's Chronicle. This dependency caused scholars to think that Prosper had been working on his own Easter Annals for quite some time. In fact, Victorius published his work only two years after the final publication of Prosper's Chronicle.