|Millennia:||1st millennium BC|
|Centuries:||6th century BC - 5th century BC - 4th century BC|
|Decades:||450s BC 440s BC 430s BC - 420s BC - 410s BC 400s BC 390s BC|
|Years:||429 BC 428 BC 427 BC 426 BC 425 BC|
424 BC 423 BC 422 BC 421 BC 420 BC
|Categories:||Births - Deaths - State leaders - Sovereign states|
Establishments - Disestablishments
Events and trends[edit | edit source]
- Peloponnesian War
- 429 BC — Battle of Chalcis — Chalcidians and their allies defeat Athens.
- 429 BC — Battle of Naupactus — Phormio defeats the Peloponnesian fleet.
- 429 BC — An outbreak of plague kills over one-third of the population of Athens.
Deaths[edit | edit source]
Significant people[edit | edit source]
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