Prix du Jockey Club initially 2,500 metres, and this was cut to 2,400 metres in 1843. It was switched to Versailles during the Revolution of 1848, and it was cancelled due to the Franco-Prussian War in 1871. The race was abandoned in 1915, and for three years thereafter it was replaced by the Prix des Trois Ans. This took place at Moulins in 1916, Chantilly in 1917 and Maisons-Laffitte in 1918. The first two runnings after World War I were held at Longchamp. A substitute race called the Prix de Chantilly was run at Auteuil over 2,600 metres in 1940. The Prix du Jockey
Horse racing a Saturday and one on Sunday. Horse races, as well as Thoroughbred horse breeding, is organized by Jockey Club Czech Republic, founded in 1919. France has a major horse racing industry. It is home to the famous Prix de l'Arc de Triomphe held at Longchamp Racecourse, the richest race in Europe and the second richest turf race in the world after the Japan Cup, with a prize of 4 million Euros (approximately US$5.2 million). Other major races include the Grand Prix de Paris, the Prix du Jockey Club (the French Derby) and the Prix de Diane. Besides Longchamp, France's other