| Marshall Zip Code, Kentucky - USA | |||
| BENTON | 42025 | 36.888765 | -88.305502 |
| CALVERT CITY | 42029 | 36.986553 | -88.373197 |
| GILBERTSVILLE | 42044 | 36.965547 | -88.266684 |
| HARDIN | 42048 | 36.817672 | -88.30444 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.