13

Year 13 was a (link will display the full calendar) of the.

Roman Empire

 * is reinstalled as king of.
 * The Senate passes a senatus consultum restricting the reduced to the Ordo Equester.
 * makes his triumphant procession through after the siege of.

Asia

 * Last year (5th) of Shijianguo era of the Chinese.

Arts and Sciences

 * publishes his view on the shape of the.