776-First recorded Olympic Games, with just one race, the stade.
720-From the 15th Olympics on, the athletes run naked.
708-The five-event pentathlon (long jump, discus, sprint, javelin, wrestling) is introduced into the Games.
688-Boxing first included in the Olympics.
680-Chariot racing makes first appearance in the Games.
648-The 33rd Games see the introduction of horse-racing and vicious no-holds-barred combat sport called pankration
632-The first contests for boys.
520-A race in armour is introduced
394-The Olympic Games are abolished.