promoter adolfo moreno had promoted "lucha libre", or professional wrestling in naucalpan, state of mexico, mexico prior to financing the building of arena naucalpan that opened in late 1976. originally moreno worked together with the universal wrestling association (uwa) and then later consejo mundial de lucha libre (cmll) as a local promoter. on january 1, 1996 moreno created international wrestling revolution group (iwrg) as an independent promotion. iwrg celebrates the anniversary of arena naucalpan each year in december with a major show, making it the second oldest, still promoted show series in the world. pre-dating wrestlemania by eight years. only the cmll anniversary show series has a longer history. the 2012 arena naucalpan anniversary show marked the 35th anniversary of arena naucalpab. the anniversary show, as well as the majority of the iwrg shows in general are held in arena naucalpan.