| 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 | |
| Gregorian calendar | 23 BC |
| Ab urbe condita | 731 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1866 – -1865 |
| Berber calendar | 928 |
| Buddhist calendar | 522 |
| Burmese calendar | -660 |
| Byzantine calendar | 5486 – 5487 |
| Chinese calendar | 丁酉年 (2614/2674) — to —
戊戌年(2615/2675) |
| Coptic calendar | -306 – -305 |
| Ethiopian calendar | -30 – -29 |
| Hebrew calendar | 3738 – 3739 |
| Hindu calendars | |
| - Vikram Samvat | 33 – 34 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3079 – 3080 |
| Holocene calendar | 9978 |
| Iranian calendar | 644 BP – 643 BP |
| Islamic calendar | 664 BH – 663 BH |
| Japanese calendar | |
| Korean calendar | 2311 |
| Thai solar calendar | 521 |
Year 23 BC was a common year starting on Friday (link will display the full calendar) of the Julian calendar.
Events
By place
Rome
- 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).
- 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).
Osroene
- Ma'nu III Saphul becomes ruler of Osroene.
By topic
Architecture
- 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.
Births
Deaths
- Marcus Claudius Marcellus, son of Octavia and nephew of Augustus (b. 42 BC)
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