Champion Carnival
From 1959 to 1972, the Japan Pro Wrestling Alliance (JWA), run by Rikidōzan, held a tournament called World League (also known as the "World Big League"), which featured both Japanese and foreign professional wrestlers. Rikidōzan himself dominated the annual tournament early on, however, after his death in 1963, the tournament was won six times by Giant Baba and once by Antonio Inoki. JWA folded shortly after both Baba and Inoki left the promotion to create All Japan Pro Wrestling (AJPW) and New Japan Pro-Wrestling (NJPW), respectively. Both men took the concept of World League with them to their new promotions, with Baba creating the "Champion Carnival" in 1973 and Inoki creating the World League in 1974, later renaming it G1 Climax.
New Japan Pro-Wrestling
On January 4, 2011, New Japan officially announced the NJPW Invasion Tour 2011: Attack on East Coast, the promotion's first tour of the United States to be held in May 2011. The tour featured shows in Rahway, New Jersey on May 13, New York City on May 14 and Philadelphia, Pennsylvania on May 15, as well as cross-promotion with American independent group Jersey All Pro Wrestling (JAPW). As part of the tour, NJPW introduced a new title, the IWGP Intercontinental Championship. On January 31, 2012, Yuke's announced that it had sold all shares of New Japan Pro-Wrestling to card game company Bushiroad for ¥500 million ($6.5 million).