Thomas Woodrow Wilson (December 28, 1856 – February 3, 1924) served as the 28th president of the United States from 1913 to 1921. He was the only Democrat to hold the presidency during the Progressive Era. As president, Wilson led the United States through World War I, advocating for peace with his Fourteen Points. He was also the leading architect of the League of Nations, an international organization aimed at maintaining world peace, which was incorporated into the Treaty of Versailles.