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
Maryland Jockey Club of the United States George Washington attended the Maryland Jockey Club race meeting frequently in 1762 going to the track for almost every carded event. He also attended race meetings in 1766, 1767, 1771, 1772 and 1773. Regularly scheduled race meetings were held during both the spring and autumn in 1769 with uniform start times and number of races carded. The meets were run in Annapolis, Maryland. The races were continued in this fashion at that same location until 1775. In the autumn of 1775 the Maryland Jockey Club postponed all racing, due to the break out of war, upon