Senator Charles Curtis of Kansas (1860–1936) served in Congress for 34 years (14 years in the House; 20 years in the Senate). Curtis had American Indian ancestry and was one-eighth Kaw. He was elected as the Senate Majority Whip in 1915 and became Senate Majority Leader in 1925. Senator Curtis helped organize opposition to the Treaty of Versailles and was one of the first national legislators to advocate for woman suffrage. In 1928 Curtis ran for vice president on the ticket with Herbert Hoover. They won in a landslide victory.