Summer Olympic Games

History, symbols, protocol, anthem, flag and oath: the key points you need to know about the opening ceremonies of the Games of the Olympiad.

History, protocol and flag hand-over: the key points you need to know about the Olympic Games closing ceremonies.

Key facts and figures from every edition of the Summer Games, from Athens 1896 to Rio 2016.

Main landmarks in the evolution of the sports programme at the Summer Games.