The 1968 Washington gubernatorial election took place on November 5, 1968, and resulted in the re-election of Republican incumbent Daniel J. Evans over state Attorney General John J. O'Connell. Martin Durkan, Albert F. Canwell, and John Patric unsuccessfully ran in the blanket primary.
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Text from the Wikipedia article “1968 Washington gubernatorial election”, available under CC BY-SA 4.0.