Archelaus and his Athenian allies lost control of Piraeus and Athens; they were pushed back to the peninsula of Munichia.
Plataia was the site of a major Spartan victory over Persia, the place where Thermopylae was avenged, but it was also a city: an Athenian ally, under the protection of Athens.
The city of Segesta-an Athenian ally in the 420s-went to war against Selinus and, after losing an initial battle, sent to Athens for help.
In 427 BCE, Laches and Charoeades were sent to Sicily with a fleet of 20 ships in order to support Athenian allies against Syracuse.
There he served as an adviser to the satrap Tissaphernes until his Athenian political allies brought about his recall.
In 366 BC, the Athenian Assembly ordered Chares to occupy the Athenian ally and install a democratic government.
Mytilene feared tributary democracy and did not want to be reduced to the common status of other Athenian allies.
During the Peloponnesian War Eretria was an Athenian ally against her Dorian rivals Sparta and Corinth.
Thebes recruited the Macedonians to join them and at the Battle of Crocus Field Phillip decisively defeated Phocis and its Athenian allies.
In 460 BC, he revolted against the Persians with the help of his Athenian allies, and defeated the Persian army commanded by satrap Akheimenes.