81 BC

250 BC in various calendars

Gregorian calendar	250 BC CCL BC
Ab urbe condita	504
Ancient Egypt era	XXXIII dynasty, 74
- Pharaoh	Ptolemy II Philadelphus, 34
Ancient Greek era	132nd Olympiad, year 3
Assyrian calendar	4501
Balinese saka calendar	N/A
Bengali calendar	−842
Berber calendar	701
Buddhist calendar	295
Burmese calendar	−887
Byzantine calendar	5259–5260
Chinese calendar	庚戌年 (Metal Dog) 2448 or 2241     — to — 辛亥年 (Metal Pig) 2449 or 2242
Coptic calendar	−533 – −532
Discordian calendar	917
Ethiopian calendar	−257 – −256
Hebrew calendar	3511–3512
Hindu calendars
- Vikram Samvat	−193 – −192
- Shaka Samvat	N/A
- Kali Yuga	2851–2852
Holocene calendar	9751
Iranian calendar	871 BP – 870 BP
Islamic calendar	898 BH – 897 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2084
Minguo calendar	2161 before ROC 民前2161年
Nanakshahi calendar	−1717
Seleucid era	62/63 AG
Thai solar calendar	293–294
Tibetan calendar	阳金狗年 (male Iron-Dog) −123 or −504 or −1276     — to — 阴金猪年 (female Iron-Pig) −122 or −503 or −1275

81 BC in various calendars

Gregorian calendar	81 BC LXXXI BC
Ab urbe condita	673
Ancient Egypt era	XXXIII dynasty, 243
- Pharaoh	Ptolemy IX Lathyros, 8
Ancient Greek era	174th Olympiad, year 4
Assyrian calendar	4670
Balinese saka calendar	N/A
Bengali calendar	−673
Berber calendar	870
Buddhist calendar	464
Burmese calendar	−718
Byzantine calendar	5428–5429
Chinese calendar	己亥年 (Earth Pig) 2617 or 2410     — to — 庚子年 (Metal Rat) 2618 or 2411
Coptic calendar	−364 – −363
Discordian calendar	1086
Ethiopian calendar	−88 – −87
Hebrew calendar	3680–3681
Hindu calendars
- Vikram Samvat	−24 – −23
- Shaka Samvat	N/A
- Kali Yuga	3020–3021
Holocene calendar	9920
Iranian calendar	702 BP – 701 BP
Islamic calendar	724 BH – 723 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2253
Minguo calendar	1992 before ROC 民前1992年
Nanakshahi calendar	−1548
Seleucid era	231/232 AG
Thai solar calendar	462–463
Tibetan calendar	阴土猪年 (female Earth-Pig) 46 or −335 or −1107     — to — 阳金鼠年 (male Iron-Rat) 47 or −334 or −1106

Year 81 BC was a year of the pre-Julian calendar.

Events

By place

Rome

• Sulla is appointed dictator and reforms the Roman government.
• The Second Mithridatic War ends with the status quo.
• Cicero wins his first case.

Deaths

• Arshak I of Iberia