23 BC

Millennium:	1st millennium BC
Centuries:	2nd century BC – 1st century BC – 1st century
Decades:	50s BC 40s BC 30s BC – 20s BC – 10s BC 0s BC 0s
Years:	26 BC 25 BC 24 BC – 23 BC – 22 BC 21 BC 20 BC

23 BC by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments

Year 23 BC was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Events

Caesar Augustus becomes Roman Consul for the eleventh time. His partner is Aulus Terentius Varro Murena.
Augustus relinquishes the position of consul, attains that of tribune of Rome and Princeps, or "First Citizen." (see Roman Empire).
Augustus get seriously ill, he give Agrippa his signet ring and grant him with the title imperium pro consule.
The Nubians, led by queen Candace Amanirenas, take the initiative against the Roman Empire, and attack the Roman province of Egypt moving towards Elephantine.
Herod the Great builds a palace in Jerusalem and the fortress Herodian in Judaea. He also marries his third wife, named Mariamne, the daughter of high priest Simon.
Following coinage reform, the as was struck in reddish pure copper, instead of bronze. The denominations of sestertius and dupondius were introduced as large bronze coins.
In response to Meroe's incursions into Upper Egypt, the Roman legions move south and raze Napata. (Early history of Sudan).

The Roman writer, architect and engineer Vitruvius finishes writing De Architectura (known today as The Ten Books of Architecture), a treatise in Latin on architecture, and perhaps the first work about this discipline.