100 BC

Year 100 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Marius and Flaccus (or, less frequently, year 654 Ab urbe condita) and the First Year of Tianhan. The denomination 100 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.

Millennium: 1st millennium BC
100 BC in various calendars
Gregorian calendar100 BC
Ab urbe condita654
Ancient Egypt eraXXXIII dynasty, 224
- PharaohPtolemy X Alexander, 8
Ancient Greek era170th Olympiad (victor
Assyrian calendar4651
Balinese saka calendarN/A
Bengali calendar−692
Berber calendar851
Buddhist calendar445
Burmese calendar−737
Byzantine calendar5409–5410
Chinese calendar庚辰(Metal Dragon)
2597 or 2537
    — to —
辛巳年 (Metal Snake)
2598 or 2538
Coptic calendar−383 – −382
Discordian calendar1067
Ethiopian calendar−107 – −106
Hebrew calendar3661–3662
Hindu calendars
 - Vikram Samvat−43 – −42
 - Shaka SamvatN/A
 - Kali Yuga3001–3002
Holocene calendar9901
Iranian calendar721 BP – 720 BP
Islamic calendar743 BH – 742 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2234
Minguo calendar2011 before ROC
Nanakshahi calendar−1567
Seleucid era212/213 AG
Thai solar calendar443–444
Tibetan calendar阳金龙年
(male Iron-Dragon)
27 or −354 or −1126
    — to —
(female Iron-Snake)
28 or −353 or −1125
Map of the world in 100 BC.


By place

Roman Republic

Asia Minor


Middle East



  • Olmec III period ends in Southeastern Mexico.




  1. ^ "Julius Caesar Biography" . September 4, 2019. Retrieved October 17, 2020.
  2. ^ There is some dispute over the year of Caesar's birth. Some scholars have made a case for 101 or 102 BC as the year of his birth, based on the dates that he held certain magistracies, but scholarly consensus favors 100 BC. Similarly, some scholars prefer 12 July for the day of his birth, but others give 13 July. Goldsworthy, p. 30 , Ward, Heichelheim, & Yeo p. 194 . For a source arguing for 12 July, see Badian in Griffin (ed.) p.16


Information as of: 10.08.2021 12:31:38 CEST

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