All-America Football Conference (1946-1949)
February 14, 2021
Formed: September 2, 1944 Merger with NFL Announced: December 9, 1949 Disbanded: Following league All-Star game on December 17, 1949 First Game: September 6, 1946 (Miami
Sport: Football
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XFL (2020-2023)
November 4, 2019
Formed: January 25, 2018 First Games: February 8, 2020 Suspended Operations: April 10, 2020 First Return Games: February 18, 2023 Last Game: May 13, 2023 (XFL
Regional Football League (1999)
June 29, 2019
Formed: 1997 Disbanded: Postseason 1999 First Game: April 17, 1999 Final Game: June 20, 1999 Seasons: 1 States: 5 (AL, LA, MS, OH, TX) Commissioner 1999: Gus
Allliance of American Football (2019)
February 12, 2019
Formed: March 20, 2018 Disbanded: April 2, 2019 First Game: February 9, 2019 Final Game: March 31, 2019 Seasons: <1 States: 7 (AL, AZ, CA, FL, GA, TN,
Fall Experimental Football League (2014-2015)
October 27, 2018
Formed: May 7, 2014 Disbanded: September 2, 2016 First Game: October 8, 2014 Last Game: October 29, 2015 Seasons: <2 States: 3 (Massachusetts, Nebraska, New York)