Prix Dollar in 1957, and extended to 2,250 metres in 1958. It reverted to 2,000 metres in 1960, and was held at Chantilly in 1965 and 1966. A new distance of 1,950 metres was introduced in 1969. The Prix Dollar was run at Chantilly's Prix du Jockey Club meeting over 2,000 metres in 1986. It was switched to Longchamp's late September fixture in 1987. It was opened to three-year-olds and moved to the Saturday of Prix de l'Arc de Triomphe weekend in 1988. The latter race is traditionally held on the first Sunday of October. Prix Dollar The Prix Dollar is a
Prix du Prince d'Orange Prix du Prince d'Orange The Prix du Prince d'Orange is a Group 3 flat horse race in France open to three-year-old thoroughbreds. It is run at Longchamp over a distance of 2,000 metres (about 1¼ miles), and it is scheduled to take place each year in September. The event is named after William of Orange (1840–1879), the eldest son of William III of the Netherlands. The Prince became a member of the Jockey-Club de Paris in 1863, and took up racehorse ownership shortly before his death. The Prix du Prince d'Orange was established in 1882. It was originally open to