The first success recorded in the first alliance was the defeat of Persia at Eurymedon (468 B.C.), Then after this, many members supported dissolution of the league. Athens, however, which had profited greatly from the league, argued that the danger from Persia was not over. When Naxos attempted to secede, Athens, taking the leadership from the assembly, forced (c.470 B.C.) Naxos to retain allegiance. Soon Thasos …show more content…
Proffers of alliance reached Athens, and in 378 B.C. the second Athenian confederacy or delian league was formed. The first major success recorded happened when Athens won a naval victory over Sparta near Naxos; the Athenians and Spartans compromised with a treaty that left Athens supreme on the sea and Sparta supreme on the mainland of Greece. In 371 B.C., Thebes withdrew from the alliance and gained predominance over Boeotian land that had been occupied (387 B.C.) by Sparta. A treaty was made between Athens and Sparta. By 351 B.C., however, the status of the league had been seriously weakened in the north and in the east, and in 338 B.C. the league was utterly destroyed by the victory of Philip II of Macedon in the battle of