491

491 (CDXCI) was a common year beginning on a Tuesday of the Julian calendar, effective on that date.

In the Roman Empire, the year was named that of Olibrio's consulship without a colleague, or less commonly, as 1244 Ab urbe condita, acquiring its name as 491 at the beginning of the Middle Ages, when the anno Domini was established.

Events

• Anastasy happens to Zenon as Emperor of the East.

Deaths

• Zenon, Roman Emperor of the East.