On Europe Day (Friday, May 9, 2025), the World BEYOND War Europe Network hosted a webinar to examine Five Criteria for Lasting and Just Peace Agreements. A look at the most important peace negotiations and treaties in Europe over the past centuries (1648, 1815, 1919, 1975, etc.) from the perspective of international law and the history of international law shows that the most enduring peace agreements followed a set of criteria or principles, referred to here as the SMILE criteria.
