This category offers sites that focus on the history of the NFL, from its inception in 1920 as the American Professional Football Association to the recent past. Sites covering the history of teams no longer active are also listed here.
Sites that offer history for a particular, current team should be submitted to the appropriate team category under Sports: Football: American: NFL.
Past NFL teams that no longer exist. Histories for teams that have moved and/or changed their names should be located in the category for the current team (e.g., Houston Oilers history will be found under Tennessee Titans).