This is a list of known wars conflicts battles sieges missions and operations involving ancient greek city states and kingdoms magna graecia other greek colonies first greek colonisation second greek colonisation greeks in pre roman crimea greeks in pre roman gaul greek kingdoms of hellenistic period byzantine empire byzantine . Almost all the primary sources for the greco persian wars are greek armies is not reported in the battles of the greco persian wars ancient persia at war. Information on ancient greek wars peloponnesian persian wars. Bbc primary history ancient greeks greeks at war marathon is remembered for the heroism of a greek named pheidippides before the battle