{{Infobox racehorse , horsename = Diatome , image = , caption = , sire =

Sicambre {{Infobox racehorse , horsename = Sicambre , image = , caption = , sire = Prince Bio , grandsire = Prince Rose , dam = Sif , damsire = Rialto , sex = Stallion , foaled = 1948 , country = France , colour = Bay , breeder = Haras d ...

, grandsire =

Prince Bio A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. The ...

, dam = Dictaway , damsire = Honeway , sex =

Stallion A stallion is a male horse that has not been gelded (castrated). Stallions follow the conformation and phenotype of their breed, but within that standard, the presence of hormones such as testosterone may give stallions a thicker, "cresty" nec ...

, foaled = 13 June 1962 , country =

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...

, colour = Dark Bay , breeder = Baron Guy de Rothschild , owner = Baron Guy de Rothschild , trainer = Geoffroy Watson , record = 12: 6-5-1 , earnings = F 1,643,013 + US$90,000 , race = Prix Noailles (1965)

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 t ...

(1965)
Washington, D.C. International (1965)

Prix Ganay The Prix Ganay is a Group 1 flat horse race in France open to thoroughbreds aged four years or older. It is run over a distance of 2,100 metres (about 1 mile and 2½ furlongs) at Long ...

(1966)

Prix Boiard Prix was an American power pop band formed in Memphis, Tennessee, in 1975 by Tommy Hoehn and Jon Tiven. The group ended up primarily as a studio project. Its recordings were produced by Tiven along with former Big Star member Chris Bell, who als ...

(1966) , awards= , honours = Prix Diatome at Hippodrome de Saint-Cloud , updated= 7 October 2006 Diatome (13 June 1962 – 8 October 1985) was a British-bred

Thoroughbred The Thoroughbred is a horse breed best known for its use in horse racing. Although the word ''thoroughbred'' is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are ...

racehorse Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys (or sometimes driven without riders) over a set distance for competition. It is one of the most ancient of all sports, as its basic ...

Background

Diatome was owned and bred by the

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

bank A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets. Becau ...

er, Baron Guy de Rothschild and was a descendant of Prince Palatine,

Racing career

Diatome won important races in

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...

but had the bad luck of being foaled the same year as superstars Sea-Bird and

Reliance Reliance may refer to: Companies * Reliance Controls, an American electrical products company founded in 1909 in Wisconsin * Reliance Home Comfort, a Canadian water heater rental and HVAC service company * Reliance Industries, an Indian co ...

. He finished second to Reliance in the

Prix du Jockey Club The Prix du Jockey Club, sometimes referred to as the French Derby, is a Group 1 flat horse race in France open to three-year-old thoroughbred colts and fillies. It is run at Chantilly ov ...

and the

Grand Prix de Paris The Grand Prix de Paris is a Group 1 flat horse race in France open to three-year-old thoroughbred colts and fillies. It is run at Longchamp over a distance of 2,400 metres (about 1½ miles), and ...

. In the

Prix de l'Arc de Triomphe The Prix de l'Arc de Triomphe is a Group races, Group 1 Flat racing, flat Horse racing, horse race in France open to thoroughbreds aged three years or older. It is run at Longchamp Racec ...

, Diatome finished third behind Reliance and winner Sea Bird. However, he earned a prestigious victory in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

in the 1965 Washington, D.C. International at the

Laurel Park Racecourse Laurel Park, formerly Laurel Race Course, is an American thoroughbred racetrack located just outside Laurel, Maryland which opened in 1911. The track is miles in circumference. Its name was changed to "Laurel Race Course" for several decades un ...

Laurel, Maryland Laurel is a city in Maryland, United States, located midway between Washington and Baltimore on the banks of the Patuxent River. While the city limits are entirely in northern Prince George's County, outlying developments extend into Anne Arun ...

Stud record

Diatome was retired to stud in 1967 at his owner's Haras de Meautry and in 1975 was sent to a breeding farm in Japan. He died on 8 October 1985.

References

Diatome's pedigree and stats
1962 racehorse births 1985 racehorse deaths Racehorses bred in the United Kingdom Racehorses trained in France Thoroughbred family 12-e