The Queen Elizabeth II Jubilee Stakes is a Group 1 flat horse race in Great Britain open to horses aged four years or older. Three-year-olds foaled in the Southern Hemisphere are also eligible. It is run at Ascot over a distance of 6 furlongs, and it is scheduled to take place each year in June.
The Nunthorpe Stakes is a Group 1 flat horse race in Great Britain open to horses aged two years or older. It is run at York over a distance of 5 furlongs, and it is scheduled to take place each year in August.
The Cheveley Park Stakes is a Group 1 flat horse race in Great Britain open to two-year-old fillies. It is run on the Rowley Mile at Newmarket over a distance of 6 furlongs and is scheduled to take place each year in late September.
The Middle Park Stakes is a Group 1 flat horse race in Great Britain open to two-year-old colts. It is run on the Rowley Mile at Newmarket over a distance of 6 furlongs, and it is scheduled to take place each year in September.
The Jockey Club Stakes is a Group 2 flat horse race in Great Britain open to horses aged four years or older. It is run over a distance of 1 mile and 4 furlongs (2,414 metres) on the Rowley Mile at Newmarket in late April or early May.
The King's Stand Stakes is a Group 1 flat horse race in Great Britain open to horses aged three years or older. It is run at Ascot over a distance of 5 furlongs, and it is scheduled to take place each year in June.
The July Stakes is a Group 2 flat horse race in Great Britain open to two-year-old colts and geldings. It is run on the July Course at Newmarket over a distance of 6 furlongs, and it is scheduled to take place each year in July.
The Princess of Wales's Stakes is a Group 2 flat horse race in Great Britain open to horses aged three years or older. It is run on the July Course at Newmarket over a distance of 1 mile and 4 furlongs, and it is scheduled to take place each year in July.
The Challenge Stakes is a Group 2 flat horse race in Great Britain open to horses aged three years or older. It is run on the Rowley Mile at Newmarket over a distance of 7 furlongs, and it is scheduled to take place each year in October.
Michael Vincent O'Brien was an Irish race horse trainer from Churchtown, County Cork, Ireland. In 2003 he was voted the greatest influence in horse racing history in a worldwide poll hosted by the Racing Post. In earlier Racing Post polls he was voted the best ever trainer of national hunt and of flat racehorses. He trained six horses to win the Epsom Derby, won three Grand Nationals in succession and trained the only British Triple Crown winner, Nijinsky, since the Second World War. He was twice British champion trainer in flat racing and also twice in national hunt racing; the only trainer in history to have been champion under both rules. Aidan O'Brien took over the Ballydoyle stables after his retirement.
The Champagne Stakes is a Group 2 flat horse race in Great Britain open to two-year-old colts and geldings. It is run at Doncaster over a distance of 7 furlongs and 6 yards, and it is scheduled to take place each year in September.
The Craven Stakes is a Group 3 flat horse race in Great Britain open to three-year-old colts and geldings. It is run over a distance of 1 mile (1,609 metres) on the Rowley Mile at Newmarket in mid-April.
The Anglesey Stakes is a Group 3 flat horse race in Ireland open to two-year-old thoroughbreds. It is run at the Curragh over a distance of 6 furlongs and 63 yards, and it is scheduled to take place each year in July.
The British Champions Sprint Stakes is a Group 1 flat horse race in Great Britain open to horses aged three years or older. It is run at Ascot over a distance of 6 furlongs, and it is scheduled to take place each year in October.
Sharpen Up was British racehorse and sire. He was one of the leading European two-year-olds of his generation, winning all five of his races including the Seaton Delaval Stakes and the Middle Park Stakes. He failed to win in three starts in 1972 and was retired to stud. He became a highly successful breeding stallion in both Europe and North America. Sharpen Up died in 1992.
Thatching was an Irish Thoroughbred racehorse and sire. The horse's early career was delayed and disrupted by injury, and he did not show his best form until switched to sprinting distances in the spring of 1979 when he won the Duke of York Stakes. He improved further when equipped with blinkers that summer, recording impressive victories in both the Cork and Orrery Stakes and the July Cup. He had a marked tendency to hang to the left when in front, which led to his disqualification in the William Hill Sprint Championship. He was retired to stud after winning four of his eleven races and became a successful breeding stallion.
Double Form was an Irish-bred British Thoroughbred racehorse and sire. A specialist sprinter, he showed promise as a two-year-old in 1977, and improved to become a high-class performer in 1978. He won only one race as a three-year-old but was placed in several major sprints. In 1979 he improved again to become the highest-rated sprinter in the United Kingdom, winning the Temple Stakes, King's Stand Stakes and Haydock Sprint Cup in England and the Prix de l'Abbaye in France. He was the first horse to win both the King's Stand Stakes and the Prix de l'Abbaye. He was retired to stud where he was an immediate success but died on 22 April 1983.
Saritamer was a Kentucky-bred, Irish-trained Thoroughbred racehorse and sire. As a two-year-old he was rated the third-best two-year-old in Ireland after winning the Anglesey Stakes and the Beresford Stakes. In the following year he became a specialised sprinter, excelling over six furlongs and winning the Greenlands Stakes, Cork and Orrery Stakes, July Cup and Diadem Stakes. He was named best sprinter of 1974 by Timeform. He later sired the middle-distance champion Time Charter, but was otherwise a complete failure at stud.
Our Lassie was a British Thoroughbred racehorse and broodmare. She was a very good performer as a juvenile in 1902 when she won the Sandown Produce Stakes and was placed in her other three starts. In the following year she failed in the Lincoln Handicap but the recorded a decisive win in the Oaks Stakes. She failed to win or place in four subsequent races and was retired from racing at the end of 1904. As a broodmare she produced a few winners but had her biggest impact on the future of Thoroughbred racing through her unraced daughter Lady Brilliant.
Mrs Butterwick was a British Thoroughbred racehorse and broodmare. She spent most of her racing career competing in sprint races but recorded her biggest victory over a distance of one and a half miles when she won the Oaks Stakes in 1893. She showed good form as a two-year-old, winning three races and finishing second against older horses in the July Cup. In the following year she began her campaign with a defeat over five furlongs before being stepped up in distance for her upset win in the Oaks three days later. She spent the rest of her career competing in handicap races and won at least twice under big weights in 1894. After her retirement from racing she had considerable success as a dam of winners.
