ペロポネソス同盟
Oblique references to the decree in Thucydides seems to suggest its importance since the Spartans state that "war could be avoided if Athens would revoke the Megarian decree". However, Thucydides also reports that the Spartans had sought a declaration of war from the Peloponnesian League during the rebellion of Samos in 440, well before the Megarian decree had been passed.