Triangle Park (2023) is a Documentary film that follows director Allen Farst tells the story of the first-ever NFL football game, with one of the 14 original teams, the Dayton Triangles, playing on Sunday, Oct. 3, 1920, in front of 5,000 fans. Farst connects with family of former players, and reveals never-before-seen football treasures Triangle Park is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary movies may also want to explore similar titles below.