World War III was the worst war the world had ever seen, with 131,002,762 casualties. There were 4 sides which were the American-Eurasian Union, the Union of Democratic States, Great Islamic Middle Eastern Caliphate and other Islamic militant groups, and the Alliance of Development, Co-Prosperity, and New Ideas. It started on March 28th, 2016, and ended on July 19th, 2023. After the war, the Era of Change began.