The CMLL 82nd Anniversary Show was a major professional wrestling event produced by the lucha libre wrestling company Consejo Mundial de Lucha Libre (CMLL; Spanish for "World Wrestling Council") that took place on September 18, 2015, in CMLL's home arena Arena México in Mexico City, Mexico. The event commemorated the 82nd anniversary of the creation of CMLL, which is the oldest still-active professional wrestling promotion in the world. CMLL's anniversary shows are their biggest, most important show of the year, comparable to the Super Bowl for the National Football League or WrestleMania for WWE. In May 2015 CMLL announced that they were holding a contest for kids to write a story that included CMLL and its wrestlers in some way. As part of the announcement they also revealed that the 2015 Anniversary show would be held on September 18, but was later changed to September 4, before going back to 18. The main event of the show saw Atlantis and La Sombra facing off in a Lucha de Apuestas, or "Bet match", with both men risking their wrestling mask on the outcome of the match.

In late April, 2015 Mexican the professional wrestling company Consejo Mundial de Lucha Libre (CMLL; Spanish for "World Wrestling Council") announced that they, in conjunction with El Consejo Nacional para la Cultura y las Arte ("The National Council for Culture and Art"; CONACULTA) and El Instituto Nacional de las Lenguas Indígenas ("National Institute of Indigenous Languages"; INALI) were holding a shorts story writing contest called "De 2 a 3 Cuartillas" ("With 2 or 3 pages") to help promote writing and children's imagination. The stories had to include CMLL wrestlers in some way. As part of the main prizes of the contest was that they would be honored at CMLL's next Anniversary Show that would be held on Friday September 18, 2015. The 2015 Anniversary show will commemorate the 82nd anniversary of CMLL being founded in September 1933 by Salvador Lutteroth. CMLL, originally known as Empresa Mexicana de Lucha Libre ("Mexican Wrestling Company"; EMLL) it would with time become the oldest, still-active wrestling federation in the world. Over the years CMLL has on occasion held multiple shows to celebrate their anniversary but since 1977 the company has only held one annual show, which is considered the biggest show of the year, CMLL's equivalent of WWE's WrestleMania or their Super Bowl event. CMLL has held their Anniversary show at Arena México in Mexico City, Mexico since 1956, the year the building was completed, over time Arena México earned the nickname "The Cathedral of Lucha Libre" due to it hosting most of CMLL's major events since the building was completed. Traditionally CMLL holds their major events on Friday Nights, replacing their regularly scheduled Super Viernes show. For the show CMLL, together with Telcel announced a free ticket drawing contest starting in July. On August 3, 2015, during a live CMLL broadcast the announcers stated that the 82nd Anniversary Show would take place on September 4, 2015, moving it forward two weeks in time compared to the date mentioned in the contest announcements. However, following negative feedback from fans, the show was moved back to September 18 just three days later.

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