The History of American Football

Rutgers and Princeton play the match conventionally considered the first American football game — though the rules at the time looked more like rugby and European football, with 25 players a side, no forward pass, and goals instead of end zones. It would take three more decades for the game to start looking like what we watch today.

Former player and coach Walter Camp introduces the line of scrimmage and a system of consecutive attempts to advance the ball, while also cutting the number of players per side from 15 to 11. These changes permanently separate American football from rugby, which is why Camp is often called the "father of American football."

A rules reform introduces the forward pass, a response to the sport's mounting and increasingly serious injury toll — including several deaths on college fields that nearly got the sport banned outright. The change opens up the field vertically, reduces brutal mass-formation play, and lays the groundwork for the game as it looks today.

In Canton, Ohio, the American Professional Football Association is founded, renamed the National Football League two years later. In its early days the league was made up of small Midwestern-town teams, quite unlike today's franchises — many of them folded or merged before the league found a stable shape.

College star Red Grange signs with the Chicago Bears immediately after his final college game and heads out on a national barnstorming tour that fills stadiums previously used to empty stands. The moment is considered essential to the credibility of pro football, which had lived in college football's shadow until then.

A tied final standing between the Chicago Bears and the Portsmouth Spartans forces the first playoff game in NFL history, played indoors on an improvised field because of brutal Chicago winter weather. The game's unexpected popularity leads the league to later split into two divisions, guaranteeing an annual championship game.

The league introduces an annual draft of college players, designed to balance competition by giving the earliest picks to the previous season's weaker teams. Modest at first, and largely ignored by many of the players actually selected, the system grows over time into one of the NFL's most-watched annual events.

The NFL Championship between the Baltimore Colts and New York Giants, decided in the first sudden-death overtime in a championship game, is watched by millions nationwide on television. In hindsight, the game is credited with turning American football from a regional sport into a large-scale television phenomenon.

A rival league, the AFL, launches to compete directly with the NFL, placing new teams in cities the older league had ignored and favoring a wide-open, deep-passing style of play. The commercial and sporting rivalry between the two leagues accelerates the sport's expansion and professionalization over the following decade, pushing the NFL to innovate.

The Green Bay Packers beat the Kansas City Chiefs in the first AFL–NFL Championship Game, played in Los Angeles and later renamed Super Bowl I — even though the stadium didn't sell out. Within a few decades, the event would become the most-watched annual broadcast in the United States.

The American Football League and the National Football League fully merge, forming the two-conference structure, AFC and NFC, still used today, with the AFL teams and a few realigned NFL franchises grouped for competitive balance. The merger ends a costly rivalry for both leagues and unifies professional American football under a single brand.

The NFL moves from 14 to 16 regular-season games, a format kept for nearly three decades, and in the same wave of reforms adopts more permissive rules protecting passers and receivers. The changes reflect the league's growing popularity and the public's appetite for a more pass-oriented game.

A landmark agreement between the league and the players' union, following a lawsuit the players won, introduces modern free agency, letting veterans with enough accrued experience negotiate freely with any team once their contract ends. Alongside the salary cap introduced in the same period, the change completely reshapes how teams are built.

The Carolina Panthers and Jacksonville Jaguars join the NFL as expansion teams, the league's first expansion since 1976, bringing the total to 30 franchises. Both teams reach their conference championship game remarkably early for expansion franchises, a sign of just how competitive the league had become.

The Houston Texans become the NFL's 32nd team, and the league reorganizes into eight divisions of four teams each — four in the AFC, four in the NFC — the structure still used today. Designed for symmetry and clear regional rivalries, the format stabilizes the league's annual calendar for decades to come.

The first American football teams in Romania are formed by fans of the sport, organizing exhibition games and practices on their own, without an official federation behind them. These teams lay the groundwork for what would become, a few years later, an organized national championship.

The FRFA is founded and organizes the first National American Football Championship (CNFA); the first official game is played on July 24, between Timișoara Lions and Cluj Crusaders, and on November 21 the Bucharest Warriors win the first Romanian Bowl, beating Cluj Crusaders 56–12.

The NFL playoff field expands to 14 teams, the largest format in league history, cutting the number of first-round byes to just one per conference, down from two under the previous format. The change raises the stakes of every game late in the regular season, where more teams stay in contention.