In 1913, Oklahoma was apportioned three additional congressional seats. For just the 63rd Congress, those three members represented the state At-large.
In 1933, Oklahoma was apportioned one additional seat. For the 73rd through the 77th congresses, Will Rogers held the seat at-large. In 1943, the seat was eliminated.
Coordinates: 35°N 97°W / 35°N 97°W