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
Otto III, Holy Roman Emperor greater control over the Church than his grandfather Otto I had decades earlier. The Emperor quickly demonstrated his intention to withdraw Imperial support for the privileges of the Holy See laid out by Otto I. Under the "Diploma Ottonianum" issued by Otto I, the Emperor could only veto papal candidates. Otto III, however, had nominated and successfully installed his own candidate. The Emperor also refused to acknowledge the Donation of Constantine, which Otto III declared a forgery. Under a decree supposedly issued by Roman Emperor Constantine the Great, the Pope was granted secular authority over western Europe. These actions resulted