American football in the United States the Fall Experimental Football League played two seasons in 2014 and 2015). Two professional football leagues are pending launch: the Alliance of American Football is scheduled to debut in February 2019, while the XFL, a revamp of a league of the same name that played one season in 2001, is set to return in February 2020. There are several professional indoor football leagues, played at basketball-sized arenas. The oldest one is the Arena Football League, which had several teams co-owned by several NFL owners but is officially independent from the NFL. Indoor football leagues play by significantly different rules that
American football in Australia of gridiron football in Australia occurred during World War II. Exhibition matches featuring American servicemen were played in the major cities and attracted interest and crowds. A high-profile match in Adelaide played on American Independence Day (4 July) 1942 by American servicemen attracted a crowd of 25,000. Several matches were played in Sydney in 1943 and another high-profile match was played in Brisbane in 1944, all featuring American servicemen. Another match was held in Melbourne at an unknown date during the war. Matches of Austus were also played against Australian rules footballers featuring a set of compromise rules. However, the