1867 United States Senate election in California

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1867 United States Senate election in California
December 20, 1867
Majority vote of both houses needed to win
Senator before election; John Conness; Republican	Elected Senator ; Eugene Casserly; Democratic

The 1867 United States Senate election in California was held on December 20, 1867, by the California State Legislature to elect a U.S. senator (Class 1) to represent the State of California in the United States Senate. In a special joint session, former Democratic State Printer Eugene Casserly was elected over fellow Democratic former Congressman from Illinois Joseph P. Hoge. Casserly and Hoge opposed each other over a dispute regarding an alleged deal that Hoge would let Casserly's protege Henry Huntly Haight run for Governor in exchange for Casserly backing Hoge for Senator.