Peloponnesian Wars (dec 28, 457 BC – jun 8, 404 BC)
Description:
Civil war primarily between Athens and Sparta, spurred by Athenian abuse of Delian League and treasury, exacerbated by warring colonies choosing sides, break between 445 and 431, short break 421-415(ish), Sparta wins but suffers mortal blows as damaging as those the Athenians received
Added to timeline:
Background, Persian War, Peloponnesian War, Aftermath
Date: