91 BC

Millennium:	1st millennium BC
Centuries:	2nd century BC - 1st century BC - 1st century
Decades:	120s BC 110s BC 100s BC - 90s BC - 80s BC 70s BC 60s BC
Years:	94 BC 93 BC 92 BC - 91 BC - 90 BC 89 BC 88 BC

91 BC by topic
Politics
State leaders - Sovereign states
Birth and death categories
Births - Deaths
Establishments and disestablishments categories
Establishments - Disestablishments v • d • e

**91 BC in other calendars**
Gregorian calendar	91 BC
Ab urbe condita	663
Armenian calendar	N/A
Bahá'í calendar	-1934 – -1933
Berber calendar	860
Buddhist calendar	454
Burmese calendar	-728
Byzantine calendar	5418 – 5419
Chinese calendar	[[Sexagenary cycle\|]]年 (2546/2606) — to — [[Sexagenary cycle\|]]年 (2547/2607)
Coptic calendar	-374 – -373
Ethiopian calendar	-98 – -97
Hebrew calendar	3670 – 3671
Hindu calendars
- Vikram Samvat	-35 – -34
- Shaka Samvat	N/A
- Kali Yuga	3011 – 3012
Holocene calendar	9910
Iranian calendar	712 BP – 711 BP
Islamic calendar	734 BH – 733 BH
Japanese calendar
Korean calendar	2243
Thai solar calendar	453
v • d • e

Year 91 BC was a year of the pre-Julian calendar.

Events

Liu Ju, crown prince of the Han Dynasty, revolts against his father, Emperor Wu, and his witchcraft trials. After his rebellion fails, he hangs himself.
Records of the Grand Historian compiled by Sima Qian.