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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

20 BC by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments v • d • e

20 BC in other calendars

Gregorian calendar	20 BC
Ab urbe condita	734
Armenian calendar	N/A
Bahá'í calendar	-1863 – -1862
Bengali calendar	-612
Berber calendar	931
Buddhist calendar	525
Burmese calendar	-657
Byzantine calendar	5489 – 5490
Chinese calendar	庚子年 (2617/2677) — to — 辛丑年 (2618/2678)
Coptic calendar	-303 – -302
Ethiopian calendar	-27 – -26
Hebrew calendar	3741 – 3742
Hindu calendars
- Vikram Samvat	36 – 37
- Shaka Samvat	N/A
- Kali Yuga	3082 – 3083
Holocene calendar	9981
Iranian calendar	641 BP – 640 BP
Islamic calendar	661 BH – 660 BH
Japanese calendar
Korean calendar	2314
Thai solar calendar	524
v • d • e

Year 20 BC was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

[edit] Events

[edit] By place

[edit] India

• Shakas end to control northwest India.

[edit] Rome

• Peace treaty between Rome and Parthia, in which the captured eagles of Crassus and Mark Antony are returned.
• Based on the scenes and the style of the work, the Portland Vase is believed to have been made in Alexandria some time between this year and 100 AD.
• King Herod the Great begins renovation of the Temple in Jerusalem.
• Maison Carrée, Nîmes, France, is built (approximate date).

[edit] Births

• Gaius Caesar, grandson of Augustus Caesar (d. AD 4)
• Philo, the philosopher (approximate date) (d. AD 50)

[edit] Deaths