4

Year 4 was a (link will display the full calendar) of the.

Roman Empire

 * Emperor summons  to Rome, and names him his heir and future emperor.  At the same time,, the last son of Marcus Vipsanius Agrippa, is also adopted and named as Augustus' heir.
 * Tiberius also adopts as his own heir.
 * Sextus Aelius Catus becomes.
 * The  regulates the of.
 * A pact of non-aggression and friendship is signed between the, represented by , and the German tribe the , represented by their King Segimer. and Flavus, sons of Segimer, are brought into the Roman army as leaders of the auxiliary troops.
 * returns from exile to live in in disgrace.
 * Augustus pardons, along with , the daughter of , for alleged involvement in a conspiracy against the emperor.
 * is appointed proconsul of Asia.
 * Polianus Maradonius becomes.

Middle East

 * King and Queen  of  are overthrown and killed, the crown being offered to  --- the beginning of the.

Asia

 * succeeds as king of the n kingdom of  (traditional date).
 * marries, daughter of , cementing his influence.

Arts and sciences

 * writes the 14 volume History of the World.

Births

 * , Roman writer (d. 70)
 * , king of (d. 44)

Deaths

 * , son of and, dies from wounds suffered during a campaign in Artagira,
 * , first ruler of
 * , orator,  and  (born )
 * Ariobarzanes II, King of Media Atropatane (born )
 * Artavasdas IV, King of Armenia (born )