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
Matthias, Holy Roman Emperor Matthias, Holy Roman Emperor Matthias (24 February 1557 – 20 March 1619) was Holy Roman Emperor from 1612, King of Hungary and Croatia from 1608 (as Matthias II) and King of Bohemia from 1611. He was a member of the House of Habsburg. Matthias was born in the Austrian capital of Vienna to Maximilian II, Holy Roman Emperor and Maria of Spain. Matthias married Archduchess Anna of Austria, daughter of his uncle Archduke Ferdinand II of Austria, whose successor in Further Austria Matthias became in 1595. Their marriage did not produce surviving children. In 1578, Matthias was invited to the