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Regional Football League was created in 1999.
Regional Football League ended in 1999.
All Japan Regional Football Promotion League Series was created in 1977.
Regional League Championships was created in 2009.
NFL (national football league)
NCAAF (college football)
XFL (X-treme football---banned)
AFL (Arena football league)
UFL (United Football league)
CFL (Canadian Football League)
EFL (European Football League)