Boston Celtics Sold for $6 Million On this day, in 1969 Germany's Nazi leader Adolf Hitler opens 11th Olympic Games in Berlin, 49 countries participate in the games. August 13, 1969 Sport: Basketball Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? sports in this article Basketball tags in this article Fan On This Day SportsEngine