Royal Ascot: Duke of Cambridge Stakes
| The Duke of Cambridge Stakes, a Group 2 flat race over a 1 mile, is open to  fillies and mares aged four years or older, and it is now contested on the  second day of the five-day Royal Ascot meeting. It was originally titled the  Windsor Forest Stakes when first introduced in 1813, and was for 3-year-old  fillies over the Old Mile, but was renamed the Duke of Cambridge Stakes in 2013  in honour of Prince William. | 
| Windsor Forest Stakes 1821 | Group 2 | 5 furlongs | ||
| Pos. | Horse | Jockey | Trainer Age/Weight | Owner | 
| 1 | PASTORELLA | William Wheatley | 3-8st 4lbs | Mr T Sadler 4/6 fav | 
| 2 | VARRENNES | 3-8st 4lbs | Lord Verulam 5/4 | |
| The Windsor Forest Stakes, for 3 year old fillies over the Old Mile, was on Thursday 21st June 1821 when there were 5 subscribers at 50 guineas each, giving total prize money of 250 guineas (equivalent to £27,000 in 2020), and the winner was a bay filly by Fyldener out of a Stamford mare. | Over round 104% | |||
| Duke of Cambridge Stakes | Group 2 | 1 mile | 2004 (1813) | ||||||
| The Duke of Cambridge Stakes, a Group 2 flat race over a 1 mile, is open to  fillies and mares aged four years or older, and it is now contested on the  second day of the five-day Royal Ascot meeting. It was originally titled the  Windsor Forest Stakes when first introduced in 1813, and was for 3-year-old  fillies over the Old Mile, but was renamed the Duke of Cambridge Stakes in 2013  in honour of Prince William. | |||||||||
| 1813 | 1814 | 1815 | 1816 | 1817 | 1818 | 1819 | |||
| 1820 | 1821 | ||||||||