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[]


Significant people[]

This page uses content from the English language Wikipedia. The original content was at 420s BC. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.