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The United States Senate elections of 1918 were held November 5, 1918 coinciding with the midpoint of Woodrow Wilson's second term as President of the United States. The Republican Party gained control with a slim 2-seat majority after picking up a net six seats. The change in control was particularly important, as it meant that the Republicans were in a position to deny entry of the United States into the League of Nations, the centerpiece of Wilson's post-war foreign policy. It was the first election in which all Class 2 senators were subject to direct election following the enactment of the Seventeenth Amendment, making them the final class under the old system.
Contents
Gains and losses
Republicans gained seven seats:
Democrats gained one seat:
Senate Party Division, 66th Congress (1919–1921)
Majority Party: Republican (49 seats)
Minority Party: Democratic (47 seats)
Other Parties: 0
Total Seats: 96
Source: United States Senate Official Website
Note: These numbers represent composition as result of 1918 Senatorial Elections. Actual composition often changes during term, due to deaths, resignations or party shifting.
Before the elections
Before the November 5, 1918 general election.
Special elections during the 65th Congress
In these special elections, the winner was seated during 1918 or before March 4, 1919; ordered by election date.
Elections leading to the 66th Congress
In these general elections, the winners were elected for the term beginning March 4, 1919; ordered by state.
All of the elections involved the Class 2 seats.
Elections during the 66th Congress
There were no elections in 1919.