American Pro Football Association Game On this day, in 1920 the Dayton Triangles and the Rock Island Independents both win in the first ever games between American Pro Football Association (which becomes the NFL) clubs. October 3, 1920 Sport: Football Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? sports in this article Football tags in this article Fan On This Day SportsEngine