The 1990 United States Senate elections were held on Tuesday, November 6, 1990, with the 33 seats of Class 2 contested in regular elections. Special elections were also held to fill vacancies. The Democratic Party increased its majority with a net gain of one seat from the Republican Party. The election cycle took place in the middle of President George H. W. Bush's term, and, as with most other midterm elections, the party not holding the presidency gained seats in Congress. Until 2022, this had been the only election cycle where only one U.S. Senate seat flipped parties.
The 1936 United States Senate elections coincided with the reelection of President Franklin D. Roosevelt. The 32 seats of Class 2 were contested in regular elections, and special elections were held to fill vacancies. The Great Depression continued and voters backed progressive candidates favoring Roosevelt's New Deal in races across the country. The Democrats gained 5 net seats during the election, and in combination with Democratic and Farmer–Labor interim appointments and the defection of George W. Norris from the Republican Party to become independent, the Republicans were reduced to 16 seats. Democrats gained a further two seats due to mid-term vacancies. The Democrats' 77 seats and their 62-seat majority remain their largest in history.
The 1932 United States Senate elections coincided with Democrat Franklin D. Roosevelt's landslide victory over incumbent Herbert Hoover in the presidential election. The 32 seats of Class 3 were contested in regular elections, and special elections were held to fill vacancies.
The 1960 Louisiana gubernatorial election was held on April 19, 1960.
From January 29 to June 4, 1996, voters of the Democratic Party chose its nominee for president in the 1996 United States presidential election. Incumbent President Bill Clinton was again selected as the nominee through a series of primary elections and caucuses culminating in the 1996 Democratic National Convention held from August 26 to August 29, 1996, in Chicago, Illinois.
The 2014 United States Senate election in Louisiana was held on November 4, 2014, to elect a member of the United States Senate to represent the State of Louisiana.
The 2015 Louisiana gubernatorial election was held on November 21, 2015, to elect the governor of Louisiana. Incumbent Republican Governor Bobby Jindal was not eligible to run for re-election to a third term because of term limits established by the Louisiana Constitution.
The 2015 Louisiana Attorney General election took place on October 24, 2015 to elect the Attorney General of the U.S. state of Louisiana, with a runoff election, held on November 21, 2015. Incumbent Buddy Caldwell, a former Democrat who joined the Republican Party in February 2011, sought re-election to a third term in office, but was defeated by fellow Republican Jeff Landry.
The 1912 Louisiana gubernatorial election was held on April 16, 1912. Like most Southern states between Reconstruction and the civil rights era, Louisiana's Republican Party had almost no electoral support. This meant that the Democratic Party primary held on January 23 was the real contest over who would be governor. The election resulted in the election of Democrat Luther E. Hall as governor of Louisiana.
The 1920 United States Senate election in Louisiana was held on November 2, 1920. Incumbent senator Edward J. Gay did not run for re-election.
The 2019 Louisiana gubernatorial election was held to elect the governor of Louisiana. Incumbent Democratic Governor John Bel Edwards won re-election to a second term, defeating Republican businessman Eddie Rispone. Edwards became the first Democratic Governor of Louisiana to win re-election to a second consecutive term in 44 years since Edwin Edwards in 1975. It was the closest Louisiana gubernatorial election since 1979.
United States gubernatorial elections were held on November 5, 2019, in Kentucky and Mississippi, and on October 12, 2019, with a runoff on November 16, in Louisiana. These elections formed part of the 2019 United States elections. The last regular gubernatorial elections for all three states were in 2015. The Democrats had to defend an incumbent in Louisiana, while the Republicans had to defend an incumbent in Kentucky plus an open seat in Mississippi. Though all three seats up were in typically Republican states, the election cycle became unexpectedly competitive: Kentucky and Louisiana were seen as highly contested races; and Mississippi's race ultimately became closer than usual, despite being seen as favorable for the Republicans.
The 1926 United States Senate election in Louisiana was held on November 2, 1926. Incumbent Democratic Senator Edwin Broussard was elected to a second term in office.
The 1930 United States Senate election in Louisiana was held on November 4, 1930.
The 1972 United States Senate election in Louisiana was held on November 9, 1972.
United States gubernatorial elections were held in 1931, in four states. Kentucky, Louisiana and Mississippi hold their gubernatorial elections in odd numbered years, every 4 years, preceding the United States presidential election year. New Jersey at this time held gubernatorial elections every 3 years. It would abandon this practice in 1949.
The 2022 United States Senate election in Louisiana was held on November 8, 2022, to elect a member of the United States Senate to represent the State of Louisiana. Incumbent Republican U.S. senator John Kennedy was first elected in 2016. He ran for re-election to a second term, and was re-elected after receiving a majority of votes in the first round.
The 1916 Illinois gubernatorial election was held on November 7, 1916. Incumbent Democratic Governor Edward Fitzsimmons Dunne was defeated by Republican nominee Frank Orren Lowden.
The 2023 Louisiana gubernatorial election was held on October 14, 2023 to elect the governor of Louisiana. Incumbent Governor John Bel Edwards was term-limited and could not seek re-election to a third consecutive term in office. This race was one of two Democratic-held governorships up for election in 2023 in a state that voted for Donald Trump in 2020.
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