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| Founded | 1913 |
|---|---|
| Relocated | 1930 (as Brooklyn Dodgers) |
| Based in | Dayton, Ohio, United States |
| League | "Ohio League" (1913–1919) National Football League (1920–1929) |
| Team history | St. Mary's Cadets (1913–1914) Dayton Gym-Cadets (1915) Dayton Triangles (1916–1929) |
| Team colors | Navy, white |
| Head coaches | Louis Clark (1913–1914) Al Mahrt (1915) Bud Talbott (1916–1917, 1919–1921) Greasy Neale (1918) Carl Storck (1922–1926) Lou Mahrt (1927) Faye Abbott (1928–1929) |
| Owner(s) | Dayton Engineering Laboratories Company Dayton Metal Products Company Domestic Engineering Company |
| Other League Championship wins | 3 (1913, 1914, 1915) |
| Ohio League Championship wins | 1 (1918) |
| Undefeated seasons | 3 (1913, 1917, 1918) |
| Home field(s) | Westwood Field (1916) Triangle Park (1917–1929) |
| Fan website | www |
The Dayton Triangles were an original franchise of the American Professional Football Association (now the National Football League (NFL)) in 1920. The Triangles were based in Dayton, Ohio, and took their nickname from their home field, Triangle Park, which was located at the confluence of the Great Miami and Stillwater Rivers in north Dayton. They were the longest-lasting traveling team in the NFL (1920–1929), and the last such "road team" until the Dallas Texans in 1952, who, coincidentally, descended from the Dayton franchise.
The Texans players and assets were moved to Baltimore in 1953, and then to Indianapolis in 1983, where they now operate as the Colts, just 117 miles west of their origin.