[4] Modern-day Olympic equestrian events are rooted in cavalry skills and classical horsemanship,[5] and through 1948, competition was restricted to active-duty officers on military horses.
The first was during the 1956 Summer Olympics in Melbourne, Australia when, due to Australian quarantine laws, the equestrian portion was held in Stockholm, Sweden.
[12] This meant that Switzerland, which had officially boycotted the 1956 Games because of the Soviet Union's recent invasion of Hungary, still brought home a medal because of its participation in the equestrian portion several months earlier.
This decision was made when, in 2005, international veterinary groups refused to certify the main Olympic city as free of equine diseases.
This would have resulted in horses leaving Beijing after the games and having to go through lengthy quarantine processes before being allowed to re-enter their home countries.
Germany leads the country medalist rankings with 25 gold medals (52 overall),[note 2] followed by Sweden with 17 (43 overall) and France with 14 (37 overall).