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1968 Democratic Senate primary election in Louisiana
The 1968 United States Senate election in Louisiana was held on November 5, 1968. Incumbent Democratic Senator Russell Long was elected to a fifth term in office.
On August 17, Long won the Democratic primary with 87.02% of the vote. At this time, Louisiana was a one-party state and the Democratic nomination was tantamount to victory. Long won the November general election without an opponent.