Wedding anniversary years have well-established connections now common to most nations: 5th Wood, 10th Tin, 15th Crystal, 20th China, 25th Silver, 30th Pearl, 35th Jade, 40th Ruby, 45th Sapphire, 50th Gold, 60th Diamond, and 70th Platinum. In English speaking countries the first, wooden, gift was cut on the day of celebration and then presented to the wife as a finished article before the next two quarter days had passed. The modern tradition may have originated in medieval Germany where, if a married couple lived to celebrate the 25th anniversary of their wedding, the wife was presented by her friends and neighbours with
IWRG 20th Anniversary Show at the time. At the 2016 "Festival de las Máscaras" show Toscano and Danny Casas once again faced off in a "Lucha de Apuestas" match, this time in a steel cage match, with Toscano pinning Casas. As a result, Casas was forced to have his hair shaved off, reversing the results of the 20th anniversary show. IWRG 20th Anniversary Show The IWRG 20th Anniversary Show was a major "lucha libre" event produced and scripted by the Mexican International Wrestling Revolution Group (IWRG) professional wrestling promotion on January 3, 2016. The show was held in Arena Naucalpan, Naucalpan, State of Mexico,