 Complete the following phrase:  Tokyo hosted the 1964 Summer Olympics, thus becoming the first Asian city to host the Summer Games. The National Stadium, also known as the Olympic Stadium, was host to a number of international sporting events. In 2016, it was to be replaced by the New National Stadium. With a number of world-class sports venues, Tokyo often hosts national and international sporting events such as basketball tournaments, womens volleyball tournaments, tennis tournaments, swim meets, marathons, rugby union and sevens rugby games, football, American football exhibition games, judo, and karate. Tokyo Metropolitan Gymnasium, in Sendagaya, Shibuya, is a large sports complex that includes swimming pools, training rooms, and a large indoor arena. According to Around the Rings, the gymnasium has played host to the October 2011 artistic gymnastics world championships, despite the International Gymnastics Federations initial doubt in Tokyos ability to host the championships following the March 11 tsunami. Tokyo was also selected to host a number of games for the 2019 Rugby World Cup, and to host the 2020 Summer Olympics and the 