Map of the Delian League ("Athenian Empire") in 431 B.C.E., just prior to the Peloponnesian War.
Map_athenian_empire_431_BC-en.svg
Map_athenian_empire_431_BC-en.svg: *Map_athenian_empire_431_BC-fr.svg: Marsyas
derivative work: Once in a Blue Moolk:Once in a Blue Moon|talk)
derivative work: Γιάννης Α. ✆|☑