Olympic Games ceremony then became the first Winter Games to hold competitions before the opening ceremony. As mandated by the Olympic Charter, various elements frame the Opening Ceremonies of a celebration of the Olympic Games. Most of these rituals were canonized at the 1920 Summer Olympics in Antwerp, Belgium. The artistic program is what creates the idiosyncratic element of each ceremony. Coubertin's initial vision of the Modern Olympics featured both athletic competitions and artistic achievements. As the modern Olympics have evolved into a celebration of sport, it is in the opening ceremonies that one can see the most of Coubertin's ideal. The opening
Olympic Games ceremony I declare open the Rio Olympic Games, celebrating the XXXI Olympiad of the Modern Era". Next, the Olympic flag is carried horizontally (since the 1960 Summer Olympics) into the stadium and hoisted as the Olympic Hymn is played. The Olympic Charter states that the Olympic flag must "fly for the entire duration of the Olympic Games from a flagpole placed in a prominent position in the main stadium". At most games, the flag has been carried into the stadium by prominent athletes of the host nation, but in 2012, it was carried by an international group of athletes and non-athletes