| 1st Council Meeting |
March 13, 1873 at high noon |
| 1st Mayor |
L. S. Owings, former territorial governor of Arizona |
| 1st Birth |
Texana Denison McElvaney |
| 1st Hominy Mill |
A.R. Collins & Co. |
| 1st Tax Collection |
Marshall McDowell announced first collection of city property taxes May 26, 1873 |
| 1st Municipal Water Supply |
Authorized Sept. 12, 1873 |
| 1st Lot Sold |
Auctioned by Denison Township Co. to Sam Cook for $200 |
| 1st Business |
A saloon constituted of a split log between two trees in Forest Park; owner John A. Collins |
| 1st Eating House |
Temporary shack thrown together opened by Gus Howard & Wyatt Cutler |
| 1st Train |
Arrived three months after Denison was founded |
| 1st Preacher |
Josephus Milligan, a Presbyterian |
| 1st Newspaper |
Denison Daily News, editor and proprietor, B. C. Murray |