231 BC

Millennium:	1st millennium BC
Centuries:	4th century BC - 3rd century BC - 2nd century BC
Decades:	260s BC 250s BC 240s BC - 230s BC - 220s BC 210s BC 200s BC
Years:	234 BC 233 BC 232 BC - 231 BC - 230 BC 229 BC 228 BC

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

**231 BC in other calendars**
Gregorian calendar	231 BC
Ab urbe condita	523
Armenian calendar	N/A
Bahá'í calendar	-2074 – -2073
Berber calendar	720
Buddhist calendar	314
Burmese calendar	-868
Byzantine calendar	5278 – 5279
Chinese calendar	[[Sexagenary cycle\|]]年 (2406/2466) — to — [[Sexagenary cycle\|]]年 (2407/2467)
Coptic calendar	-514 – -513
Ethiopian calendar	-238 – -237
Hebrew calendar	3530 – 3531
Hindu calendars
- Vikram Samvat	-175 – -174
- Shaka Samvat	N/A
- Kali Yuga	2871 – 2872
Holocene calendar	9770
Iranian calendar	852 BP – 851 BP
Islamic calendar	878 BH – 877 BH
Japanese calendar
Korean calendar	2103
Thai solar calendar	313
v • d • e

[edit] Events

Demetrius II, king of Macedon, seeks military help from Agron, King of Illyria, a loosely organized state on the Adriatic coast north of Epirus, against the advancing Aetolians. The Illyrian army routs the Aetolians and returns home as victors.

The Romans send envoys to Massilia (modern Marseille, France) to negotiate with the Carthaginian general Hamilcar Barca who is based there.

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