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 I, Holy Roman Emperor Holy Roman Empire. The reverse shows Emperor Otto I with Old St. Peter's Basilica in Rome in the background, where his coronation took place. Among others, three exhibitions in Magdeburg, opening in 2001, 2006 and 2012, have documented Otto's life and his influence on medieval European history. Otto I, Holy Roman Emperor Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great (, ), was German king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the oldest son of Henry I the Fowler and Matilda. Otto inherited the