Denison is a city in Grayson County, Texas, United States, 1 mile (1.6 km) south of the Texas–Oklahoma border.

Munson pioneered methods in creating phylloxera-resistant vines, and earned induction into the French Legion of Honor, as well as sister city status for Denison and Cognac, France.

[7] In 1915, Kentucky-based evangelist Mordecai Ham held a revival meeting in Denison, which resulted in 1,100 professions of faith in Jesus Christ.

[10] Denison is located in northeastern Grayson County, with the city limits extending north to the Red River, which forms the Oklahoma state line.

[18] The Denison High School football team won the 1984 Texas Class 4A State Championship by beating Tomball 27–13, completing a perfect 16–0 record.

They also made appearances in the 1995, 1996, and 1997 Class 4A Division II State Championship games, losing each time to La Marque.

In 2013, Lake Texoma and the Hampton Inn and Suites Denison were featured on a travel show entitled The Official Best of Texas, which aired on CBS and the Discovery Channel.

[27] Denison is referenced in the book Dan Gutman's From Texas with Love (Genius Files #4)[28] as the main characters drove through the town, noting the bust of President Dwight D. Eisenhower[29] on the side of U.S. Route 75.