In 431 B.C. Sparta and other city-states joined forces against Athens to fight this war with who?
Answer:
490 B.C.
Persian Wars begin between the Greece city-states and Persia (Battles of Marathon and Salamis)
509 B.C.
Rome becomes a Republic
27 B.C.
The Roman Empire begins
431 B.C.
The Peloponnesian Wars begin between the Greek city-states of Athens and Sparta
Explanation: