History of the Roman Empire from this point on, leading his biographers to label him as insane. Most of what history remembers of Caligula comes from Suetonius, in his book "Lives of the Twelve Caesars". According to Suetonius, Caligula once planned to appoint his favourite horse Incitatus to the Roman Senate. He ordered his soldiers to invade Britain to fight the Sea God Neptune, but changed his mind at the last minute and had them pick sea shells on the northern end of France instead. It is believed he carried on incestuous relations with his three sisters: Julia Livilla, Drusilla and Agrippina the Younger. He
Holy Roman Emperor (horse) three-year-old mile champion Excellent Art producing a blistering turn of foot to win the Group Two Railway Stakes at the Curragh. His greatest rival was Teofilo, to whom he finished runner-up twice, firstly in the National Stakes, and later in the Dewhurst Stakes. There was great anticipation of another year of races between the pair, but it was decided in March 2007 to retire Holy Roman Emperor to stud as a replacement for George Washington, who was suffering fertility problems (and was also a son of Danehill). Holy Roman Emperor has been a "shuttle stallion" for Coolmore Stud, standing at