{{TitleDefenseLine|1<ref>Lucha Libre 27; Lucha Libre 31 says he's defended it 9 times, and there's no title defenses listed since then</ref>|[[Chino Chow]]|[[1964]].[[04.21]]|[[Arena Mexico]]}}
{{TitleDefenseLine|1<ref>Lucha Libre 27; Lucha Libre 31 says he's defended it 9 times, and there's no title defenses listed since then</ref>|[[Chino Chow]]|[[1964]].[[04.21]]|[[Arena Mexico]]}}
{{TitleDefenseLine|2|[[Chale Romero]]|[[1964]].[[12.25]]|[[Arena San Juan Pantitlan]]}}
{{TitleDefenseIffy|2<ref>Lucha Libre 42</ref>|[[Cavernario Galindo]]|[[1964]].[[08.09]]|[[Plaza de Toros el Cortijo]]}}
{{TitleDefenseLine|3|[[Chale Romero]]|[[1964]].[[12.25]]|[[Arena San Juan Pantitlan]]}}
{{TitleHistorySpan|vacates championship in 1965 upon retirement}}
{{TitleHistorySpan|vacates championship in 1965 upon retirement}}
{{TitleHistorySpan|[[Mexican National Heavyweight Tournament, 1965|tournament for championship]]}}
{{TitleHistorySpan|[[Mexican National Heavyweight Tournament, 1965|tournament for championship]]}}
In 2007, this title was part of AAA's World (Mega) Unification Tournament to crown a inaugural AAA World Heavyweight Champion. Charly Manson carried this championship into the match, but did not actually get to defend it, as he only faced foreigners in his two tournament matches. Manson lost in the semifinals. El Mesias, the winner of the match, did not take the belt (being from Puerto Rico, he was not eligible).
With the emphasis on a single heavyweight championship, AAA stopped mentioned this belt on it's television show, and no more defenses are known to have happen. On rare occasions, Charly Manson would wear it (most notable TripleMania 2009), and an article in AAA's official magazine Dos de Tres listed Manson as the reigning champion, but the championship itself was effectively defunct. Manson retained physical possession of the belt.
Charly had a falling out with AAA in 2009, leaving the company to join the Perros del Mal in fall. Starting in late November, Charly began proclaiming himself as the current heavyweight champion again and defending it on independent shows. Charly defended it a couple shows on in late 2009 and 2010 before dropping as part of a feud with X-Fly. Despite being the only title defended in Perros del Mal at this point, it's been treated like a semimain feud, and X-Fly winning the title is a big step up for him.
Hector Garza picked up the championship in 2012 on a Perros del Mal show, and it appeared the championship would still be defended on those shows. However, the promotion stopped running regular shows. Garza announced a temporary retirement from the ring in October 2012 due to lung cancer, then passed away in May of 2013.
The championship has not been mentioned since. All of the other national champions not promoted by CMLL have gone defunct by this point, and it's possible this one may not be heard from again.
Champions Listing
#
Champion(s)
Defeated
Date
Location
first two reigns may are not listed in all sources