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
Charles V, Holy Roman Emperor of the Empire. He also spent much time there, mainly in Brussels. This stands in contrast with the attitude of his son Philip who only visited the Low Countries once. Until the 1540s, Charles did not spend much time in Germany. He frequently was in Northern Italy (then part of the Holy Roman Empire). He never actually governed his Austrian dominions and made his brother Ferdinand the ruler of these lands in 1521, as well as his representative in the Holy Roman Empire during his absence. In spite of this, the Emperor had a close relationship with some German families,