 The first show was held in 1934 and since then 81 shows have been held, making it the longest-running annual wrestling event in history and making CMLL the oldest wrestling promotion in existence.Promoter Salvador Lutteroth held his first show on September 21, 1933 in "Arena Modelo", the future site of "Arena Mexico".The show featured at least 4 matches, but it may have had more matches as records from the era are sparse.