Mexican professional wrestling promotion celebrated their 33rd anniversary with two professional wrestling major shows centering around the anniversary date in early to mid September. The first EMLL 33rd Anniversary Show took place on September 2, 1966 in Arena México, Mexico City, Mexico to commemorated the anniversary of EMLL, which over time became the oldest professional wrestling promotion in the world. The Anniversary show is EMLL's biggest show of the year, their Super Bowl event.
The event featured an undetermined number of professional wrestling matches with different wrestlers involved in pre-existing scripted feuds or storylines. Wrestlers portray either villains (referred to as Rudos in Mexico) or fan favorites (Técnicos in Mexico) as they compete in wrestling matches with pre-determined outcomes. Due to the nature of keeping mainly paper records of wrestling at the time no documentation has been found for some of the matches of the show.
The first of EMLL's 33rd Anniversary shows featured an unknown number of matches, traditionally EMLL has five to six matches per show, but at times have had more or less and the total number has not been verified. The September 2, show featured two featured events, both best two-out-of-three falls Lucha de Apuesta matches with the competitors risking their hair on the outcome of the matches. The matches came about as a result of a storyline feud between the tag teams of Rene Guajardo and Karloff Lagarde going against Felipe Ham Lee and Jerry London. In the first Apuesta match Rene Guajardo defeated Felipe Ham Lee, forcing Lee to be shaved bald after the match. In the second match Jerry London defeated Karloff Lagarde, causing Lagarde to leave his black locks in the ring.
