how the N.F.L was born

The N.F.L abbrieviation for the National Football League, was discovered in the 1920's by eleven teams. the national football league was originally called the americanprofessional association, but then later it was called american professional league in 1921.then again the name was changed to what it is now by some men in 1922. the league currentlyhas thirty-two american teams in the league from cities and region, divided into two groups. the the american football conference(afc) and the national football conference (nfc). a football seasonusually lasts for seventeen weeks, but each team gets one week off. so instead of them playing seventeen weeks straight they rest on one. the first game of the season is always the one football team against their rivals, and then they go on paying other teams. the season starts on a full week thursday,and is supposed to end somewhere in late december or early january. when a team has already played six games, they go to something called the play-off's to determine their official score and place in the N.F.L.