Henry Bellmon won election as Oklahoma 's first Republican governor in 1962 , by appealing to Democratic voters and as an anti-corruption candidate .
Beginning in the 1960s , the Oklahoma Republican party made gains in voter registration and state legislative seats .
Henry Bellmon won election as Oklahoma 's first Oklahoma Republican governor in 1962 , by appealing to Democratic voters and as an anti-corruption candidate .
Beginning in the 1960s , the Oklahoma Republican party made gains in voter registration and state legislative seats .