New Japan Pro-Wrestling
The promotion was founded by Antonio Inoki in 1972 after his departure from the Japan Pro Wrestling Alliance promotion. The first NJPW event took place on March 6, 1972, in Tokyo. Inoki would serve as the president of the promotion until 1989, when he stepped down to pursue a political career as a member of the Japanese House of Councillors. The promotion was a member of the National Wrestling Alliance (NWA) from 1975 to 1985 and once more from 1992 to 1993. NJPW was briefly reaffiliated with the NWA in the late 2000s to the early 2010s as well.
AJPW Junior League
The Junior League is an annual professional wrestling round-robin tournament held by All Japan Pro Wrestling, to decide the promotion's top junior heavyweight wrestler, as well as the #1 contender to the World Junior Heavyweight Championship. It was established in 1983 as a single block round-robin tournament then in 2006 it began as a two-block round-robin tournament, in which each block's highest scorers face off in the finals. A victory is worth two points, a draw is worth one, and a loss zero; each match has a thirty-minute time limit. In 2012, the tournament was rebranded "Junior Hyper League". After no tournament took place in 2013, the 2014 tournament, dubbed "Jr. Battle of Glory", was announced as taking place in February, instead of its usual place in the summer.In 1983, All Japan Pro Wrestling held the "NWA International Junior Heavyweight Title League" between May 12 and 26, 1983. The winner, Chavo Guerrero, also won the vacant NWA International Junior Heavyweight Championship.