The Institute of International Law is an organization devoted to the study and development of international law, whose membership comprises the world's leading public international lawyers. Established in 1873, it was awarded the Nobel Peace Prize in 1904. The Nobel Peace Prize 1904, announced December 10, 1904. Institute of International Law, “for its striving in public law to develop peaceful ties between nations and to make the laws of war more humane”. Wiki link Data: the Nobel Foundation (CC0).