As professional wrestling championship is not won or lost by actual sports competition, but by a scripted ending to a match, determined by the bookers and matchmakers.
This can either be due to a storyline,[b] or real-life issues such as a championship suffering an injury and being unable to defend the title,[c] or leaving the company.
In 1992, Antonio Peña founded Asistencia Asesoría y Administración (AAA), taking a number of CMLL wrestlers with him.
On November 27, 2007, La Sombra defeated Hajime Ohara to win the championship, bringing it back under CMLL control.
[ab] The first Mexican-based champion was Dory Dixon, who defeated Al Kashley on February 13, 1958, to win the vacant championship.
[21] A December 1966 source listed El Santo and Rayo de Jalisco being the champions at that point in time.
[10] The champions were mentioned again in the lead up to La Ola Blanca ("The White Wave"; Dr. Wagner and Ángel Blanco) winning the championship on December 2, 1967.
[22] On September 27, 1968 it was reported that El Santo and Ray Mendoza defeated La Ola Blanca to win the championship.
[ad] Her initial reign lasted until sometime in November 1999 where La Diabólica won the title on a CMLL Japan show in Tokyo.
[ae] La Diabólica's reign lasted only a matter of weeks before Shiratori regained the championship on November 25, 1999, in Kyoto, Japan.
[13] Shiratori's last documented championship defense took place on January 7, 2001, where she defeated Policewoman to retain the title.
[30] When the weight division was adjusted to become the CMLL World Lightweight Championship, the promotion retained the original belt.
CMLL representative El Oriental and Japanese Tsubasa defeated Último Guerrero and Virus to become the first tag team champions.
[ai] Oriental and Tsubasa had no successful title defenses in the 147 days they were the champions,[31] losing to Masato Yakushiji and Naohiro Hoshikawa on an Osaka Pro show in Aomori, Japan.