Claudius, the only emperor in Roman history known for his 'foolishness', was born into nobility but suffered greatly from illness. His mother jokingly referred to him as being more foolish than others, yet fate led him to become the Emperor of Rome. In 41 AD, Claudius ascended to the throne with the support of the Praetorian Guard, marking the beginning of his reign. He initiated several foreign wars, expanding the territory of the Roman Empire and laying the foundations for its bureaucratic system. However, there is much debate about whether he was truly foolish. Figures like Seneca and Tacitus regarded him as a tyrant and a fool, while Pomponius Mela described him as 'the greatest among emperors'. Whether Claudius was genuinely foolish remains an unsolved mystery to this day.