90 The Nerva-Antonine Dynasty

Learning Objective

  • Describe the characteristics of the Golden Age and the achievements of the Five Good Emperors

Key Points

  • The first five of the six successions within the Nerva-Antonine Dynasty were notable in that the reigning emperor adopted the candidate of his choice to be his successor, rather than choosing a biological heir.
  • Although much of his life remains obscure, Nerva was considered a wise and moderate emperor by ancient historians. Nerva’s greatest success was his ability to ensure a peaceful transition of power after his death, thus founding the Nerva-Antonine Dynasty.
  • Trajan is remembered as a successful soldier-emperor who presided over the greatest military expansion in Roman history, and led the empire to attain its maximum territorial extent by the time of his death.
  • Hadrian was known to be a humanist and a philhellene, renowned for his building projects and commitment to his military lifestyle.
  • Marcus Aurelius, the philosopher-emperor, enjoyed not only military successes during his reign, but also authored a defining Stoic tome on equanimity in the midst of conflict.

Terms

Marcus Aurelius

Roman Emperor from 161 to 180 CE, as well as a notable Stoic philosopher.

Hadrian

Roman Emperor from 117 to 138 CE. Known for his grand building projects and his philhellenism.

Trajan

Roman emperor from 98 CE until 117 CE. Officially declared by the Senate as optimus princeps, and known for his bold expansion of Roman borders.

Nerva-Antonine Dynasty

The Nerva-Antonine Dynasty was a dynasty of seven Roman Emperors who ruled over the Roman Empire during a period of prosperity from 96 CE to 192 CE. These emperors are Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius, Lucius Verus, and Commodus.

The first five of the six successions within this dynasty were notable in that the reigning emperor adopted the candidate of his choice to be his successor. Under Roman law, an adoption established a bond legally as strong as that of kinship. As such, the second through sixth Nerva-Antonine emperors are also called Adoptive Emperors.

The importance of official adoption in Roman society has often been considered as a conscious repudiation of the principle of dynastic inheritance, and has been deemed as one of the factors of the period’s prosperity. However, this was not a new practice. It was common for patrician families to adopt, and Roman emperors had adopted heirs in the past; Emperor Augustus had adopted Tiberius, and Emperor Claudius had adopted Nero. Julius Caesar, dictator perpetuo and considered to be instrumental in the transition from Republic to Empire, adopted Gaius Octavius, who would become Augustus, Rome’s first emperor. Moreover, there was a family connection, as Trajan adopted his first cousin once removed and great-nephew by marriage, Hadrian. Hadrian made his half-nephew by marriage, and heir Antoninus Pius, adopt both Hadrian’s second cousin three times removed, and half-great-nephew by marriage, Marcus Aurelius, also Antoninus’ nephew by marriage, and the son of his original planned successor, Lucius Verus. The naming by Marcus Aurelius of his son, Commodus, was considered to be an unfortunate choice and the beginning of the Empire’s decline.

With Commodus’ murder in 192, the Nerva-Antonine Dynasty came to an end; it was followed by a period of turbulence, known as the Year of the Five Emperors.

The Five Good Emperors

The rulers commonly known as the “Five Good Emperors” were Nerva, Trajan, Hadrian, Antoninus Pius, and Marcus Aurelius. The term was coined by the political philosopher, Niccolò Machiavelli, in 1503:

From the study of this history we may also learn how a good government is to be established; for while all the emperors who succeeded to the throne by birth, except Titus, were bad, all were good who succeeded by adoption, as in the case of the five from Nerva to Marcus. But as soon as the empire fell once more to the heirs by birth, its ruin recommenced. Titus, Nerva, Trajan, Hadrian, Antoninus, and Marcus had no need of praetorian cohorts, or of countless legions to guard them, but were defended by their own good lives, the good-will of their subjects, and the attachment of the Senate.

An alternative hypothesis posits that adoptive succession is thought to have arisen because of a lack of biological heirs. All but the last of the adoptive emperors had no legitimate biological sons to succeed them. They were thus obliged to pick a successor somewhere else; as soon as the Emperor could look towards a biological son to succeed him, adoptive succession was set aside. Nonetheless, this period was a time of peace and prosperity.

Nerva

In 96 CE, Domitian was assassinated in a palace conspiracy involving members of the Praetorian Guard and several of his freedmen. On the same day, Nerva was declared emperor by the Roman Senate. This occasion marked the first time the Senate elected a Roman Emperor.

Nerva’s brief reign was marred by financial difficulties and his inability to assert his authority over the Roman army. A revolt by the Praetorian Guard in October 97 essentially forced him to adopt an heir. After some deliberation, Nerva chose Trajan, a young and popular general, as his successor. After barely fifteen months in office, Nerva died of natural causes in 98, and upon his death, he was succeeded and deified by Trajan. Although much of his life remains obscure, Nerva was considered a wise and moderate emperor by ancient historians. Nerva’s greatest success was his ability to ensure a peaceful transition of power after his death, thus founding the Nerva-Antonine Dynasty.

Trajan

Trajan was Roman emperor from 98 CE until his death in 117 CE. Officially declared by the Senate as optimus princeps (“the best ruler”), Trajan is remembered as a successful soldier-emperor who presided over the greatest military expansion in Roman history, and led the empire to attain its maximum territorial extent by the time of his death. He is also known for his philanthropic rule, and oversaw extensive public building programs and implemented social welfare policies.

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Bust of the Emperor Trajan, who ruled from 98-117 CE.

Hadrian

Hadrian was Roman Emperor from 117 to 138 CE. Known for his grand building projects, he re-built the Pantheon and constructed the Temple of Venus and Roma. He is also known for building Hadrian’s Wall, which marked the northern limit of Roman Britain. During his reign, Hadrian traveled to nearly every province of the Empire. An ardent admirer of Greece, he sought to make Athens the cultural capital of the empire, and created a popular cult in the name of his Greek lover, Antinous. He spent extensive amounts of his time with the military; he usually wore military attire and even dined and slept amongst the soldiers.

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Bust of the Emperor Hadrian, who ruled from 117-138 CE.

Marcus Aurelius

Hadrian was succeeded by Antoninus Pius, who was subsequently succeeded by Marcus Aurelius, who was Roman Emperor from 161 to 180 CE. He ruled with Lucius Verus as co-emperor from 161 until Verus’ death in 169. He was the last of the Five Good Emperors and was a practitioner of Stoicism. His untitled writing, commonly known as the Meditations, is the most significant source of our modern understanding of ancient Stoic philosophy.

Marcus Aurelius was an effective military commander, and Rome enjoyed various military successes against outsiders who were beginning to threaten the Empire. During his reign, the Empire defeated a revitalized Parthian Empire in the East: Aurelius’ general, Avidius Cassius, sacked the capital Ctesiphon in 164. In central Europe, Aurelius fought the Marcomanni, Quadi, and Sarmatians with success during the Marcomannic Wars, although the threat of the Germanic tribes began to represent a troubling reality for the empire. A revolt in the East led by Avidius Cassius failed to gain momentum and was suppressed immediately.

His Meditations, written in Greek while he was on a campaign between 170 and 180, is still revered as a literary monument to a philosophy of service and duty, which describes how to find and preserve equanimity in the midst of conflict by following nature as a source of guidance and inspiration.

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Bust of Marcus Aurelius, who ruled from 161 to 180 CE.

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