that of Tiberius. After a few months spent in arduous application to the affairs of the empire, during which time his many acts of kindness and piety won for him the affections of all classes, the mind of the young emperor became unsettled, and he began to indulge in all sorts of insanities. The cruel sports of the amphitheatre possessed for him a strange fascination. When animals failed, he ordered spectators to be seized indiscriminately, and thrown to the beasts. He entered the lists himself, and fought as a gladiator upon the arena. In a sanguinary mood, he wished that " the people of Rome had but one neck." As an insult to his nobles, he gave out that he proposed to make his favorite horse, Incitatus, consul. He declared himself divine, and removing the heads of Jupiter's statues, put on his own.
After four years the insane career of Caligula was brought to a close by some of the officers of the praetorian guard, whom he had wantonly insulted.
Reign of Claudius A.D. 41–54).—The reign of Claudius, Caligula's successor, was signalized by the conquest of Britain. Nearly a century had now passed since the invasion of the island by Julius Cæsar, who, as has been seen (see p. 292), simply made a reconnoissance of the island and then withdrew. Claudius conquered all the southern portion of the island, and founded many colonies, which in time became important centres of Roman trade and culture. The leader of the Britons was Caractacus. He was taken captive and carried to Rome. Gazing in astonishment upon the magnificence of the imperial city, he exclaimed, "How can a people possessed of such splendor at home envy Caractacus his humble cottage in Britain?"
Claudius distinguished his reign by the execution of many important works. At the mouth of the Tiber he constructed a magnificent harbor, called the Portus Romanus. The Claudian Aqueduct, which he completed, was a stupendous work, bringing water to the city from a distance of forty-five miles.
The delight of the people in gladiatorial shows had at this time become almost an insane frenzy. Claudius determined to give an
