100 BC

Year 100 BC was a year in the Pre-Julian Calendar.

Millennium:	1st millennium BC
Centuries:	2nd century BC – 1st century BC – 1st century
Decades:	130s BC  120s BC  110s BC  – 100s BC –  90s BC  80s BC  70s BC
Years:	103 BC 102 BC 101 BC – 100 BC – 99 BC 98 BC 97 BC

100 BC by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

100 BC in other calendars

Gregorian calendar	100 BC XCIX BC
Ab urbe condita	654
Ancient Egypt era	XXXIII dynasty, 224
- Pharaoh	Ptolemy X Alexander, 8
Ancient Greek era	170th Olympiad (victor)¹
Assyrian calendar	4651
Balinese saka calendar	N/A
Bengali calendar	−692
Berber calendar	851
Buddhist calendar	445
Burmese calendar	−737
Byzantine calendar	5409–5410
Chinese calendar	庚辰年 (Metal Dragon) 2597 or 2537     — to — 辛巳年 (Metal Snake) 2598 or 2538
Coptic calendar	−383 – −382
Discordian calendar	1067
Ethiopian calendar	−107 – −106
Hebrew calendar	3661–3662
Hindu calendars
- Vikram Samvat	−43 – −42
- Shaka Samvat	N/A
- Kali Yuga	3001–3002
Holocene calendar	9901
Iranian calendar	721 BP – 720 BP
Islamic calendar	743 BH – 742 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2234
Minguo calendar	2011 before ROC 民前2011年
Nanakshahi calendar	−1567
Seleucid era	212/213 AG
Thai solar calendar	443–444
Tibetan calendar	阳金龙年 (male Iron-Dragon) 27 or −354 or −1126     — to — 阴金蛇年 (female Iron-Snake) 28 or −353 or −1125

Events

• Chola dynasty grows.

Births

• July 12 – Julius Caesar, Roman general and dictator (died 44 BC)