4 CE

AD 4 – The Lex Aelia Sentia regulates the manumission of slaves. AD 4 – Emperor Ping of Han marries Empress Wang (Ping), daughter of Wang Mang, cementing his influence. AD 4 – Namhae Chachaung succeeds Bak Hyeokgeose as king of the Korean kingdom of Silla (traditional date).

In the 0s, the 1st century.

Geopolitics & Diplomacy

  • AD 4 – Wang Mang is given the title "superior duke".source
  • AD 4 – A pact of non-aggression and friendship is signed between the Roman Empire, represented by Tiberius, and the German tribe the Cherusci, represented by their King Segimer. Arminius and Flavus, sons of Segimer, are brought into the Roman army as leaders of the auxiliary troops.source
  • AD 4 – Tiberius also adopts Germanicus as his own heir.source
  • AD 4 – Julia the Elder returns from exile to live in Rhegium in disgrace.source
  • AD 4 – The Lex Aelia Sentia regulates the manumission of slaves.source

Conflict & Security

  • AD 4 – King Phraataces and Queen Musa of Parthia are overthrown and killed, the crown being offered to Orodes III of Parthia—the beginning of the interregnum.source
  • AD 4 – Namhae Chachaung succeeds Bak Hyeokgeose as king of the Korean kingdom of Silla (traditional date).source

Religion & Belief

  • AD 4 – Emperor Augustus summons Tiberius to Rome, and names him his heir and future emperor. At the same time, Agrippa Postumus, the last son of Marcus Vipsanius Agrippa, is also adopted and named as Augustus' heir.source

Culture & Society

  • AD 4 – Nicolaus of Damascus writes the 15-volume History of the World.source
  • AD 4 – Livilla marries Drusus Julius Caesar, son of Tiberius.source
  • AD 4 – Emperor Ping of Han marries Empress Wang (Ping), daughter of Wang Mang, cementing his influence.source

Births

  • AD 4 – Daemusin, Korean king of Goguryeo (died AD 44)source
  • AD 4 – Columella, Roman Latin writer (died AD 70)source
  • AD 4 – Publius Quinctilius Varus the Younger, Roman nobleman (died AD 27)source

Deaths

  • AD 4 – Lucius Cornelius Lentulus, Roman consulsource
  • AD 4 – February 21 – Gaius Caesar, son of Marcus Vipsanius Agrippa and Julia the Elder (born 20 BC)source
  • AD 4 – Gaius Asinius Pollio, Roman orator, poet and historian (born 65 BC)source
  • AD 4 – June 26 – Ariobarzanes II, Roman client king of Armenia (born 40 BC)source
  • AD 4 – Hyeokgeose, Korean king of Silla (born 75 BC)source