| A | B |
|---|
| Choctaw | first tribe removed from the Southeast and moved to Indian Territory |
| Haskell | first governor |
| Steele | first territorial governor |
| Coronado | first European known to have led an expedition across part of Oklahoma |
| Barnard | first Commissioner of Charities and Corrections |
| Robertson | first woman elected to Congress from Oklahoma |
| Currin | first black man to be elected to the legislature before statehood |
| Walton | first governor to be impeached and removed |
| Chouteau | person who established first trading post |
| Bellmon | first Republican governor of the state |
| Gary | first governor to be born in Oklahoma after statehood |
| East Shawnee | first cattle trail across Indian Territory |
| Missouri, Kansas & Texas | first railroad to cross Indian Territory |
| Kerr | first former governor to be elected to the U.S. Senate |
| Nigh | first governor to succeed himself in office |
