20s BC

Template:Decadebox BC The 20s BC were the period 29 BC – 20 BC. Template:Events by year for decade BC

File:Arco Augusto Aosta.jpg

Augustus becomes Roman Emperor in 27 BC. This arch, the Arch of Augustus, was erected in 25 BC to celebrate the Roman victory over the Salassi.

Significant people

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