The United States Senate elections, 1978 in the middle of Democratic President Jimmy Carter's term. Thirteen seats changed hands between parties. The Democrats at first lost a net of two seats to the Republicans, and then one more in a special election. Democrats nevertheless retained a 58-41 majority.
The 1934 United States Senate elections in Arizona took place on November 3, 1934. Incumbent Democratic U.S. Senator Henry F. Ashurst ran for reelection to a fifth term, defeating Republican nominee Joseph Edward Thompson in the general election by a wide margin.
The 1964 United States Senate election in Arizona took place on November 3, 1964. Incumbent Republican U.S. Senator Barry Goldwater decided not to run for reelection to a third term, instead running for President of the United States as the Republican Party nominee against Lyndon B. Johnson. Governor of Arizona Paul Fannin ran unopposed in the Republican primary, and defeated Democratic nominee Roy Elson, who was a staff member for U.S. Senator Carl Hayden until Hayden's retirement in 1969.
The 1920 United States Senate elections in Arizona took place on November 2, 1920. Incumbent Democratic U.S. Senator Marcus A. Smith ran for reelection to a third term, but was defeated by former Delegate to the U.S. House of Representatives from the Arizona Territory Ralph H. Cameron in the general election. Cameron would become the first Republican elected to the office of U.S. Senator from Arizona since the state joined the union in 1912. The same year, Republican Governor Thomas Edward Campbell was reelected to a second term.
The 1916 Arizona gubernatorial election took place on November 7, 1916 for the post of the Governor of Arizona. Due to battles between labor and business, the Hunt administration was facing severe electoral backlash. After facing a fairly strong primary by former Council member George Olney, Hunt prevailed and went on to face the closest election in Arizona gubernatorial history. The initial results of the 1916 election were extremely close, with Campbell winning by only 30 votes.
The 1918 Arizona gubernatorial election took place on November 5, 1918 for the post of the Governor of Arizona. Thomas Campbell, who served a partial term in 1917 and had his election overturned by the Supreme Court of Arizona, returned to contest the Governors office. Incumbent Governor Hunt declined to run again after the stress of the close elections and the year-long court battle. Despite falling to its lowest percentage in years, the sole third party challenger held the difference between the two candidates. The Democratic challenger was state senator Fred T. Colter, a pro-Hunt Democrat.
The 1924 Arizona gubernatorial election took place on November 4, 1924. Despite being a Republican year nationally, President Coolidge's election in Arizona was rather close. He only took Arizona with 40% of the vote against Davis' 35% and La Follette's 23%. The closest Arizona gubernatorial election since 1916, Hunt's lead in votes would continue to decline.
The 1926 Arizona gubernatorial election took place on November 2, 1926. Despite being a Democratic year generally, Hunt barely managed to be re-elected against his Republican opponent Elias Clark. Hunt had been governor for around 11 out of the State of Arizona's 14 years, coupled with his age and with issues regarding the Colorado River Compact, he was running out of steam. Despite that Hunt narrowly prevailed and won.
The 1928 Arizona gubernatorial election took place on November 6, 1928. Despite a fairly poor economy, a 15-point loss by Al Smith for the Arizona electoral votes, and having served for nearly 6 full terms, Hunt only narrowly lost the general election. Other state Democrats like Senator Ashurst and Representative Douglas both won re-election. John C. Phillips became the second Republican to serve as Arizona Governor, and the first to beat Hunt in a general election.
The 1930 Arizona gubernatorial election took place on November 4, 1930. George W. P. Hunt narrowly won the general election in 1930, defeating incumbent governor John Calhoun Phillips, who had defeated Hunt in his bid for reelection in the previous election year in 1928.
The 1932 Arizona gubernatorial election took place on November 8, 1932. Incumbent Governor George W. P. Hunt ran for the Democratic nomination, but lost in the primary to Benjamin Baker Moeur, whose pre-gubernatorial experience included service as the Secretary of the Board of Education for Arizona State Teacher's College, which would later become Arizona State University.
The 1936 Arizona gubernatorial election took place on November 3, 1936. Incumbent Governor Benjamin Baker Moeur ran for reelection, but he was defeated in the Democratic primary by former judge of the Maricopa County Superior Court Rawghlie Clement Stanford.
The 1938 Arizona gubernatorial election took place on November 8, 1938. Incumbent Governor Rawghlie Clement Stanford declined to run for reelection, with pharmacy and cattle ranch owner Robert Taylor Jones winning the Democratic nomination to succeed Stanford.
The 1940 Arizona gubernatorial election took place on November 5, 1940. Incumbent Governor Robert Taylor Jones ran for reelection but was defeated in the Democratic primary by former Secretary of State Sidney Preston Osborn, whom Jones had previously defeated in 1938.
The 1942 Arizona gubernatorial election took place on November 3, 1942. Incumbent Governor Sidney Preston Osborn ran for reelection, and easily defeated a challenge from former Governor Robert Taylor Jones in the Democratic primary, who Osborn also defeated in 1940.
The 1944 Arizona gubernatorial election took place on November 7, 1944. Incumbent Governor Sidney Preston Osborn ran for reelection, and easily won the Democratic primary, with only token opposition as former Governor Robert Taylor Jones declined to challenge Osborn to a rematch following two losses, in 1940 and 1942.
The 1954 Arizona gubernatorial election took place on November 2, 1954. Incumbent Governor John Howard Pyle, the first Republican elected to the office in two decades, ran for reelection for a third term.
The 1966 Arizona gubernatorial election took place on November 8, 1966. Incumbent Governor Samuel Pearson Goddard ran for reelection to a second term as Governor, narrowly winning the Democratic Party nomination as he was challenged by Justice of the Peace Norman Green.
The 1970 Arizona gubernatorial election took place on November 3, 1970. Incumbent Governor Jack Williams ran for reelection to a third term as Governor. United States Ambassador to Bolivia Raúl Héctor Castro won the Democratic nomination, and narrowly lost the general election to Williams by 1.78%. Williams was sworn into his third and final term as Governor on January 5, 1971.
