131 BC

Millennium:	1st millennium BC
Centuries:	3rd century BC – 2nd century BC – 1st century BC
Decades:	160s BC 150s BC 140s BC – 130s BC – 120s BC 110s BC 100s BC
Years:	134 BC 133 BC 132 BC – 131 BC – 130 BC 129 BC 128 BC

131 BC by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments

**131 BC in other calendars**
Gregorian calendar	131 BC
Ab urbe condita	623
Armenian calendar	N/A
Bahá'í calendar	-1974 – -1973
Bengali calendar	-723
Berber calendar	820
Buddhist calendar	414
Burmese calendar	-768
Byzantine calendar	5378 – 5379
Chinese calendar	[[Sexagenary cycle\|]]年 (2506/2566) — to — [[Sexagenary cycle\|]]年 (2507/2567)
Coptic calendar	-414 – -413
Ethiopian calendar	-138 – -137
Hebrew calendar	3630 – 3631
Hindu calendars
- Bikram Samwat	-74 – -73
- Shaka Samvat	N/A
- Kali Yuga	2971 – 2972
Holocene calendar	9870
Iranian calendar	752 BP – 751 BP
Islamic calendar	775 BH – 774 BH
Japanese calendar
Korean calendar	2203
Thai solar calendar	413

Events

Aristonicus of Pergamon leads an uprising against Rome, and consul Publius Licinius Crassus Mucianius is killed in the fighting.
The Roman censor Quintus Caecilius Metellus Macedonicus attempts to remove the tribune Gaius Atinius Labeo Macerio from the Senate, the angry Atinius drags him to be thrown off the Tarpeian Rock, and Metellus is only saved by the intervention of other senators.
The tribune Gaius Papirius Carbo passes a measure allowing the use of secret ballots in legislative assemblies.
For the first time in Roman history, both censors are plebeians (Metellus and Quintus Pompeius).
First Acta Diurna appears in Rome around this time.