|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:||23 BC 22 BC 21 BC – 20 BC – 19 BC 18 BC 17 BC|
|Gregorian calendar||20 BC
|Ab urbe condita||734|
|English Regnal year||N/A|
— to —辛丑年
|- Vikram Samvat||37–38|
|- Shaka Samvat||N/A|
|- Kali Yuga||3082–3083|
|Iranian calendar||641 BP – 640 BP|
|Islamic calendar||661 BH – 660 BH|
|Minguo calendar||1931 before ROC
|Thai solar calendar||524|
Year 20 BC was either a common year starting on Wednesday or Thursday or a leap year starting on Tuesday, Wednesday or Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Appuleius and Nerva.
Events[change | change source]
- Rome and Parthia make a peace treaty
- King Herod the Great begins to renovate the Temple in Jerusalem
- Maison Carrée, Nîmes, France, is built (approximate date)
- Marcus Verrius Flaccus' dictionary De verborum significatu is published. It is one of the first great dictionaries in history.
- Shakas no longer control northwest India
Births[change | change source]
- for more information, see Category:20 BC births.