Woodrow Wilson beat Charles E. Hughes, barely, in the Presidential Election of 1916. He ran on having kept the United States out of war, but that wouldn't last much longer.
President Woodrow Wilson.
Charles E. Hughes.
John B. Kendrick was elected to the Senate from Wyoming.
.And Montana's Jeanette Rankin, who has the unique distinction of having voted no to the U.S. declarations of war in World War One and World War Two, became the first woman elected to Congress.