20s BC

This article concerns the period 29 BC – 20 BC.

Significant people

• Caesar Augustus, Roman Emperor (27 BC–AD 14)

Births

27 BC

• Ai of Han, Chinese emperor of the Han Dynasty (d. 1 BC)

25 BC

• Aulus Cornelius Celsus, author of De Medicina (d. c. AD 50)

  

  De medicina

23 BC

• Dong Xian, Chinese politician and general (d. 1 BC)
• Herod Archelaus, ethnarch of Samaria (Judea) (d. AD 18)

21 BC

• Naevius Sutorius Macro, Roman prefect and politician (d. AD 38)

20 BC

• June 3 – Lucius Aelius Sejanus, advisor of Tiberius (d. AD 31)
• Gaius Caesar, grandson of Augustus Caesar (d. AD 4)
• Lucius Antonius, grandson of Mark Antony d. AD 25)
• Philo of Alexandria, Jewish philosopher (d. AD 50)

Deaths

29 BC

• Antiochus II, Armenian prince of Commagene (executed)
• Mariamne I, wife of Herod the Great (executed) (or 28 BC)
• Ptolemy Philadelphus, Ptolemaic prince of Egypt (b. 36 BC)

28 BC

• Alexandra the Maccabee, Hasmonean princess (approximate date)
• Mariamne I, Hasmonean princess and wife Herod the Great (or 29 BC)

27 BC

• Marcus Terentius Varro, Roman scholar and writer (b. 116 BC)

26 BC

• Gaius Cornelius Gallus, Roman politician and poet (b. 70 BC)

• Marcus Valerius Messalla Rufus, Roman politician

25 BC

• Amyntas of Galatia, King of Galatia

24 BC

• Aulus Terentius Varro Murena, Roman general and politician

23 BC

• Marcus Claudius Marcellus, son of Octavia and nephew of Augustus (b. 42 BC)

22 BC

• Lucius Licinius Varro Murena, Roman politician

20 BC

• Artavasdes I, king of Media Atropatene (approximate date)
• Artaxias II, king of Armenia (Artaxiad dynasty)
• Fuzhulei Ruodi, ruler of the Xiongnu Empire
• Mirian II (or Mirvan), king of Iberia (Georgia)
• Mithridates II, king of Commagene (Armenia)