Centuries: 2nd century BC - 1st century BC - 1st century

Decades: 60s BC 50s BC 40s BC 30s BC 20s BC - 10s BC - 0s 10s 20s 30s 40s

Years: 20 BC 19 BC 18 BC 17 BC 16 BC 15 BC 14 BC 13 BC 12 BC 11 BC 10 BC

Events

• Vienna becomes a frontier city guarding the Roman Empire against the German tribes to the north.
• Chur becomes capital of Roman Rhaetia Prima.

Births

• Germanicus, Roman general (d. 19 AD)

Deaths

• Lucius Munatius Plancus, consul 42 BC.