By the 7th century BC it had become one of the leading commercial centers of Greece .
At the time of the great migrations it received an Ionian population which traced its origin to Epidaurus in Argolis : Samos became one of the twelve members of the Ionian League .
By the 7th century BC Samos had become one of the leading commercial centers of Greece .
At the time of the great migrations it received an Ionian population which traced its origin to Epidaurus in Argolis : Samos became one of the twelve members of the Ionian League .