Five nations competed in the equestrian events in Stockholm, but did not attend the Games in Melbourne. Cambodia, Egypt and Lebanon did not compete in Melbourne due to a boycott regarding the Suez Crisis, whilst the Netherlands, Spain and Switzerland all boycotted the Melbourne Olympics in protest at the Soviet invasion of Hungary.
Five nations competed in the equestrian events in Stockholm, but did not. attend the Games in Melbourne. Cambodia, Egypt and Lebanon did not compete in Melbourne due to a boycott regar.ding the Suez Crisis, whilst the Netherlands, Spain and Switzerland all boycotted the Melbourne Olympics in protest at the Soviet invasion of Hungary