The Pokémon Olympics, somethimes called the PO, is a multi-sport event, first premiering in Goldenrod City in 1962. The PIOC (Pokémon International Olympic Commitee) is the head of these events. It began to be popularized in the 3rd edition in Lumiose City, and has become a staple in Pokémon sports. It is celebrated every four years, however, scheduling mistakes put the 1974 PO 2 years before, changing its order. There have been 13 games, the most recent in Goldenrod in 2012. The next PO will be held in Lumiose City for the first time in 46 years. Bidding for the 2028 PO will be done in 2020.