1865 United States Senate election in California

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1865 United States Senate election in California
	December 16, 1865
Majority vote of both houses needed to win
Senator before election; James A. McDougall; Democratic	Elected Senator ; Cornelius Cole; National Union

The 1865 United States Senate election in California was held on December 16, 1865, by the California State Legislature to elect a U.S. Senator (Class 3) to represent the State of California in the United States Senate. In a special joint session, former Republican Congressman Cornelius Cole was elected over former Democratic State Assemblyman William Tell Coleman. Cole was the candidate of the Union Party.