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
Olympic Games ceremony the host nation's flag bringing up the rear. Behind them march all of the athletes without any distinction or grouping by nationality. This "Parade of Athletes," the blending of all the athletes, is a tradition that began during the 1956 Summer Olympics at the suggestion of Melbourne schoolboy John Ian Wing, who thought it would be a way of bringing the athletes of the world together as "one nation." Prior to the 1956 Games, no Olympic Team had ever marched in the closing ceremony of the Modern or the Ancient Games. It was the very first International Peace March ever