The Sicilian expedition was most important expedition during the Peloponnesian war. After expedition, Athenian failed on Peloponnesian war.

• 西西里远征是伯罗奔尼撒战争史上最重要的一次远征, 远征失败后的雅典已经再无力量和斯巴达进行长期的战争, 并最终失败。