222 BC

Millennium:	1st millennium BC
Centuries:	4th century BC - 3rd century BC - 2nd century BC
Decades:	250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC
Years:	225 BC 224 BC 223 BC - 222 BC - 221 BC 220 BC 219 BC

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

**222 BC in other calendars**
Gregorian calendar	222 BC
Ab urbe condita	532
Armenian calendar	N/A
Bahá'í calendar	-2065 – -2064
Berber calendar	729
Buddhist calendar	323
Burmese calendar	-859
Byzantine calendar	5287 – 5288
Chinese calendar	[[Sexagenary cycle\|]]年 (2415/2475) — to — [[Sexagenary cycle\|]]年 (2416/2476)
Coptic calendar	-505 – -504
Ethiopian calendar	-229 – -228
Hebrew calendar	3539 – 3540
Hindu calendars
- Vikram Samvat	-166 – -165
- Shaka Samvat	N/A
- Kali Yuga	2880 – 2881
Holocene calendar	9779
Iranian calendar	843 BP – 842 BP
Islamic calendar	869 BH – 868 BH
Japanese calendar
Korean calendar	2112
Thai solar calendar	322
v • d • e

[edit] Events

Mediolanum (modern Milan), stronghold of the Gallic tribe of the Insubres (led by Viridomarus), falls to Roman legions in Lombardy (led by consul, Marcus Claudius Marcellus), in the Battle of Clastidium. Marcus Claudius Marcellus personally slays the chief, Viridomarus. This victory removes the Gallic threat to Rome. Marcellus wins the spolia opima ("spoils of honour"; the arms taken by a general who kills an enemy chief in single combat) for the third and last time in Roman history.

Cleomenes III of Sparta is defeated in the Battle of Sellasia (north of Sparta) by Antigonus III and his allies, the Achaean League and the Illyrians (under the command of Demetrius of Pharos), and flees to Egypt under the protection of King Ptolemy III. Antigonus III's forces occupy Sparta, which is the first time this city has ever been occupied.
Almost all of Greece falls under Macedonian suzerainty after Antigonus III re-establishes the Hellenic Alliance as a confederacy of leagues, with himself as president.

The Seleucid forces under their general Achaeus succeed in winning back from Pergamum all the Seleucid domains in Anatolia lost six years earlier.
Mithridates II of Pontus gives his daughter Laodice in marriage to the Seleucid king Antiochus III. Another of his daughters, also named Laodice, is married about the same time to Achaeus, a cousin of Antiochus.

The state of Qin conquers the state of Yan and defeats the last defensive forces of the state of Zhao.

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