The world in 223 BC — what happened that year

5 events the sources record for this year, grouped by region.

What happened

Southern Europe (5)

• Cleomenes surprises Megalopolis by night and seizes the agora; Philopoemen helps (Plutarch's Parallel Lives Plut. Philopoemen 5)
• Cleomenes attacks Megalopolis and captures some of its leading men (Plutarch's Parallel Lives Plut. Agis&Cleomenes 24)
• The two consuls pass Placentia and defeat the Insubres (Polybius, Histories 2.32)
• Cleomenes takes Megalopolis by surprise (Polybius, Histories 2.55)
• Antigonus' treatment of Mantinea (after its people left the alliance and joined Cleomenes) (Polybius, Histories 2.57)

Changes of power ◆

Places where the world territory data shows a change of borders in this year.

• ◆ Chu (state) ends
• ◆ Scythians ends
• ◆ Qin (state) takes 531,100 km² of former Chu (state) land
• ◆ Chu (state) loses 531,100 km² to Qin (state)

Same events recorded in this year

• Megalopolis (223 BC) — the same event in Plutarch's Parallel Lives and Polybius

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Show on the map — 223 BC