1913 Epsom Derby stirrup. Davison was knocked to the ground; some reports say she was kicked in the head by Anmer, but the surgeon who operated on Davison stated that "I could find no trace of her having been kicked by a horse". The event was captured on three news cameras. Davison's purpose in attending the Derby and walking onto the course is unclear. She did not discuss her plans with anyone or leave a note. Several theories have been suggested, including that she intended to cross the track, believing that all horses had passed; that she wanted to pull down the King's
Epsom Derby a long history of horse-racing, and James Stanley, 7th Earl of Derby, who gained the Lordship of Mann in 1627, instituted horse-racing on the Langness Peninsula on the Isle of Man, donating a cup for what became known as the "Manx Derby". The Derby originated at a celebration following the first running of the Oaks Stakes in 1779. A new race was planned, and it was decided that it should be named after either the host of the party, the 12th Earl of Derby, or one of his guests, Sir Charles Bunbury (the Bunbury Cup run at Newmarket would later