2004 Summer Olympics opening ceremony 2004 Summer Olympics opening ceremony The opening ceremony of the 2004 Summer Olympic Games was held on August 13, 2004 at the Olympic Stadium in Maroussi, Greece, a suburb of Athens. 72,000 spectators attended the event, with approximately 15,000 athletes from 202 countries participating in the ceremony as well. It marked the first-ever international broadcast of high definition television, undertaken by the U.S. broadcaster NBC and the Japanese broadcaster NHK. The opening ceremony began with a twenty-eight second countdown—one second per Olympics held since Athens last hosted the first modern games—paced by the sounds of an amplified heartbeat played by
Summer Olympic Games the 2020 Summer Olympics, when it will become the first city outside the Western world to have hosted the Summer Olympics more than once, having already hosted the Games in 1964. The other countries that have hosted the Summer Olympics are Belgium, Brazil, China, Canada, Finland, Italy, Mexico, Netherlands, South Korea, Spain, Soviet Union, and Sweden; each of these countries has hosted the Summer Games on just one occasion. Asia has hosted the Summer Olympics three times, in Tokyo, Japan (1964), Seoul, South Korea (1988), and Beijing, China (2008); Asia will host the Games for a fourth time in 2020