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
Ferdinand II, Holy Roman Emperor Ferdinand II, Holy Roman Emperor Ferdinand II (9 July 1578 – 15 February 1637), a member of the House of Habsburg, was Holy Roman Emperor (1619–1637), King of Bohemia (1617–1619, 1620–1637), and King of Hungary (1618–1637). He was the son of Archduke Charles II of Inner Austria, and Maria of Bavaria. In 1590, his parents, who were devout Catholics, sent him to study at the Jesuits' college in Ingolstadt, because they wanted to isolate him from the Lutheran nobles. In the same year, he inherited Inner AustriaStyria, Carinthia, Carniola and smaller provincesfrom his father. Rudolph II, Holy Roman Emperor, who