 They also erected the so-called “Portico of the Aetolians” or Western Portico, one of the largest buildings close to the sanctuary of Apollo.As a token of gratitude, the Aetolians were accorded the right to participate at the amphictyonic convention.The Amphictyonic Soteria, were organised, and in 246 BC were renamed “Aetolian Soteria” and evolved into Panhellenic Games which took place every five years.