 He won multiple terms from his district in Topeka, Kansas, beginning in 1892 as a Republican to the U.S. House of Representatives.He was elected to the US Senate first by the Kansas Legislature in 1906, and then by popular vote in 1914, 1920 and 1926.Curtis served one six-year term from 1907 to 1913, and then most of three terms from 1915 to 1929 (after his election as vice president).