History of the Senior Olympics By JSWarno Period: Feb 1, 1979 to Apr 26, 2013 Timeline of the Games Jun 5, 1979 The Silverdome hosts the first Michigan Senior Olympics. May 15, 1985 National Senior Olympic Organization is formed. Jun 16, 1987 2,500 athletes compete at first National Games in St. Louis. Jan 10, 1990 NSOO changes its name to National Senior Games Association Jun 21, 2012 More than 10,000 athletes play in the Houston Games. Feb 3, 2013 Michigan Winter Games marks 33 years of Senior Olympics.
