The "Five Good Emperors" refers to a period in Roman history from 96 to 180 AD, characterized by a succession of five benevolent rulers: Nerva, Trajan, Hadrian, Antoninus Pius, and Marcus Aurelius. These emperors are noted for their effective governance, relative peace, and prosperity within the Roman Empire, often prioritizing the welfare of their citizens. Each emperor contributed to the stability and expansion of the empire. Trajan is known for his military conquests, while Hadrian focused on consolidating and fortifying the empire's borders. Marcus Aurelius, a philosopher-king, is remembered for his writings on Stoicism, which reflect his commitment to duty and virtue.