| Trego Zip Code, Kansas - USA | |||
| COLLYER | 67631 | 38.91436 | -99.872931 |
| OGALLAH | 67656 | 38.91436 | -99.872931 |
| WA KEENEY | 67672 | 39.020792 | -99.888083 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.