Millennium: 1st millennium BC
Centuries:
Decades:
Years:
20 BC in various calendars
Gregorian calendar20 BC
XX BC
Ab urbe condita734
Ancient Greek era190th Olympiad (victor
Assyrian calendar4731
Balinese saka calendarN/A
Bengali calendar−612
Berber calendar931
Buddhist calendar525
Burmese calendar−657
Byzantine calendar5489–5490
Chinese calendar庚子年 (Metal Rat)
2678 or 2471
     to 
辛丑年 (Metal Ox)
2679 or 2472
Coptic calendar−303 – −302
Discordian calendar1147
Ethiopian calendar−27 – −26
Hebrew calendar3741–3742
Hindu calendars
 - Vikram Samvat37–38
 - Shaka SamvatN/A
 - Kali Yuga3081–3082
Holocene calendar9981
Iranian calendar641 BP – 640 BP
Islamic calendar661 BH – 660 BH
Javanese calendarN/A
Julian calendar20 BC
XX BC
Korean calendar2314
Minguo calendar1931 before ROC
民前1931年
Nanakshahi calendar−1487
Seleucid era292/293 AG
Thai solar calendar523–524
Tibetan calendar阳金鼠年
(male Iron-Rat)
107 or −274 or −1046
     to 
阴金牛年
(female Iron-Ox)
108 or −273 or −1045

Year 20 BC was either a common year starting on Wednesday or Thursday or a leap year starting on Tuesday, Wednesday or Thursday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Tuesday of the Proleptic Julian calendar. At the time, it was also known as the Year of the Consulship of Appuleius and Nerva (or, less frequently, year 734 Ab urbe condita). The denomination 20 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

India

  • The Shakas, a nomadic Iranian tribe, no longer control northwest India (approximate date).

By topic

Literature

Births

Deaths

References

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