Analysis of information sources in references of the Wikipedia article "Aetolia" in English language version.
Aetolian League, federal state or "sympolity" of Aetolia, in ancient Greece. Probably based on a looser tribal community, it was well-enough organized to conduct negotiations with Athens in 367 BC. It became by c. 340 one of the leading military powers in Greece. Having successfully resisted invasions by Macedonia in 322 and 314–311, the league rapidly grew in strength during the ensuing period of Macedonian weakness, expanding into Delphi (centre of the Amphictyonic Council) and allying with Boeotia (c. 300). It was mainly responsible for driving out a major Gallic invasion of Greece in 279.
