Archeologists say that they have found the underground passage in which the Emperor Caligula was murdered by his own Praetorian Guard to put an end to his deranged reign of terror. Gaius Julius Caesar Augustus Germanicus (AD12–AD41), known by his nickname Caligula (Little Boots), was the third emperor of the Roman Empire after Augustus and Tiberius, and like them a member of the Julio-Claudian dynasty. His assassination was the result of a conspiracy by members of the Senate who hoped to restore the Roman Republic. However the Praetorian Guard declared Caligula’s uncle Claudius emperor instead, thus preserving the monarchy. Maria...