The first horse show was held 1924 in Aachen, together with a horse race. In 1927 the horse show lasted six days. The first show jumping nations cup was held in 1929. From 1940 to 1946 the event was not held because of the Second World War. Also in 1986 no horse show was held because of the Show Jumping Championship in Aachen. The CHIO Aachen and the
World Equestrian Games were both held in Aachen in 2006. Because of the World Equestrian Games a flood light system was installed in the show jumping and in the
Hauptstadion. Eventing and vaulting were added to the CHIO Aachen in 2007, influenced by the World Equestrian Games. Also since 2007 the Show jumping Nations Cup is held at Thursday eventing (former at Friday afternoon) – in the television prime time. In 2011, the 80th time a horse show is held at the
Sport Park Soers in Aachen. == Venue ==