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Iberia's Dawn: The Reign and Conversion of King Mirian III

An academic exploration into the life and transformative legacy of the monarch who ushered Christianity into ancient Georgia.

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The Iberian Monarch

A Pivotal Ruler

Mirian III was a significant king (mepe) of Iberia, also known as Kartli, which corresponds to modern-day Georgia. His reign was contemporaneous with the Roman Emperor Constantine the Great (r. 306โ€“337 CE), placing him at a critical juncture in late antiquity. He is recognized as the progenitor of the royal Chosroid dynasty, a lineage that would profoundly shape the region's history.

First Christian King

According to early Medieval Georgian annals and hagiographical texts, Mirian III holds the distinction of being the first Christian king of Iberia. His conversion is attributed to the ministry of Saint Nino, a Cappadocian female missionary. Following this pivotal event, Mirian III is credited with establishing Christianity as the state religion of his kingdom. Consequently, he is revered by the Georgian Orthodox Church as a saint, canonized as Saint Equal to the Apostles King Mirian.

Reign and Recognition

Traditional chronologies, such as that by Prince Vakhushti, assign Mirian's reign to 268โ€“345 CE, spanning an impressive 77 years. However, Professor Cyril Toumanoff's scholarship suggests a revised period of 284โ€“361 CE. His historical existence is corroborated by contemporary Roman historians like Ammianus Marcellinus, who referred to him as Meribanes, and by medieval Armenian chronicles, underscoring his regional importance.

Etymology of a Name

Iranian Roots

The name "Mirian" is the Georgian adaptation of the Iranian name Mihrฤn. This linguistic connection highlights the deep cultural and historical ties between Iberia and the broader Iranian world during this period. The name's transliteration into Greek appears as Mithranes, further illustrating its widespread recognition and adaptation across different cultural spheres.

Divine Association

Intriguingly, the Life of Vakhtang associates Mirian's name with Mirdat, which translates to "given by Mithra." Mithra was an ancient Iranian sun god, a deity of significant importance in Zoroastrianism, the predominant religion in Iran and the Caucasus before the advent of Christianity. This association underscores Mirian's pre-Christian religious and cultural context.

Modern Ordinal

The regnal number "III" appended to Mirian's name is a modern historiographical convention. Medieval Georgian authors did not employ such ordinal numbers. This designation was introduced to distinguish him from two earlier Iberian kings who bore the same name, providing clarity in contemporary historical scholarship.

Background & Accession

House of Mihran

Mirian III was a scion of the House of Mihran, one of the Seven Great Houses of Iran. This influential family, headquartered in Ray (northern Iran), traced its ancestry to the Arsacid Empire, the predecessors of the Sasanian Empire. Mirian himself was born in Iran and, prior to his conversion, adhered to Zoroastrianism, reflecting his Persian heritage.

Sasanian Patronage

In 284 CE, the Sasanian King of Kings (shahanshah) Bahram II (r. 274โ€“293 CE) played a crucial role in securing the Iberian throne for Mirian. This strategic move established Mihranid rule in Iberia, a dynasty that would endure into the sixth century. Bahram II's primary motivation was to consolidate Sasanian authority in the Caucasus region, leveraging the strategic location of the Iberian capital, Mtskheta, as a gateway to vital passes through the Caucasus Mountains.

  • Bahram II reportedly traveled to Mtskheta personally to ensure Mirian's position.
  • A Mihranid grandee named Mirvanoz was dispatched to Iberia to serve as Mirian's guardian, as the future king was only seven years old at the time.
  • Following Mirian's marriage to Abeshura, daughter of the preceding Iberian ruler Aspacures I, a substantial military presence was established: 40,000 Sasanian "select mounted warriors" were stationed in eastern Iberia, Caucasian Albania, and Gugark, with an additional 7,000 Sasanian cavalrymen in Mtskheta to protect Mirian.

This extensive support highlights the strategic importance of Iberia to the Sasanian Empire.

Mihranid Expansion

Within a few decades of Mirian's ascension, other branches of the Mihranid family extended their influence, establishing themselves on other Caucasian thrones. Notably, one branch took control in Gugark, while another founded a principality in Gardman, an Armeno-Albanian region. This demonstrates the broader Mihranid strategy of consolidating power across the strategically vital Caucasus.

Early Reign & Geopolitics

The Life of the Kings

The medieval Georgian chronicle, "Life of the Kings," provides a detailed account of Mirian's early reign. While some claims, such as his being a pretender to the Iranian throne or controlling Colchis, Albania, and extending influence to Syria, are considered fictional by modern historians, the chronicle's information regarding his participation as an Iranian client king in Sasanid wars against the Roman Empire and his territorial ambitions in Armenia is deemed plausible.

Iranian Commonwealth

Mirian inherited a kingdom that had been a significant power in Iberia since the 4th century BCE. During this era, Iberia, along with the rest of the Caucasus, was deeply influenced by Iranian cultures and a blend of Zoroastrian religious practices. As noted by modern historian Stephen H. Rapp, the Caucasus was an integral part of the "Iranian Commonwealth," a vast cross-cultural network spanning from Central Asia to the Balkans, underscoring the region's strong Persian connections.

Shifting Allegiances

As a Sasanian vassal, Mirian participated in Narseh's brief war against the Romans from 297 to 298 CE. This conflict culminated in a decisive Sasanian defeat, compelling Narseh to cede control of both Armenia and Iberia to the Romans. Mirian, demonstrating political acumen, swiftly adapted to this new geopolitical reality, forging close ties with Rome. This strategic shift was further solidified by his eventual conversion to Christianity. Even after his conversion, Roman interest in Iberia remained, with Emperor Constantius sending embassies and valuable gifts to Mirian in 360 CE to secure his allegiance during renewed confrontations with Iran.

The Christian Conversion

Dating the Transformation

Scholarly consensus places Mirian's conversion to Christianity and Iberia's adoption of it as the state religion in either 319 CE or 326 CE. This momentous decision positioned Georgia as the second kingdom, after Armenia, to officially declare Christianity as its state religion, marking a profound shift in its cultural and political identity.

The Legend of Nino

A popular legend recounts Mirian's conversion: while hunting in the forests near his capital, Mtskheta, a sudden and inexplicable darkness enveloped the land, blinding the staunchly pagan king. The light was only restored after Mirian fervently prayed to "Nino's God" for assistance. Upon regaining his sight, he summoned Saint Nino for an audience and soon after converted to Christianity. Tradition also suggests that his second wife, Queen Nana, had already embraced Christianity prior to her husband's conversion.

State & Church Integration

Mirian's conversion had far-reaching implications, fostering the growth of a centralized royal government. This new Christian monarchy confiscated properties belonging to pagan temples and redistributed them to the nobility and the burgeoning church. Medieval Georgian sources document the active propagation of Christianity by the monarchy and aristocracy, as well as the resistance they encountered from the traditional mountain communities. The Roman historian Rufinus and Georgian annals confirm that, following their conversion, the Iberians requested clergy from Emperor Constantine, who responded by sending priests and holy relics to Iberia. Georgian tradition further credits Mirian with commissioning the construction of a cathedral in Mtskheta and undertaking a pilgrimage to Jerusalem shortly before his death. Mirian and Queen Nana are traditionally interred at the Samtavro convent in Mtskheta, where their tombs are still venerated.

Royal Family

First Marriage: Abeshura

Georgian historical sources detail two marriages for King Mirian III. His first wife was Abeshura, who was the daughter of the last Arsacid Iberian king. Her lineage also traced back to the ancient Pharnabazid dynasty of Iberia. Abeshura, however, died without issue when Mirian was approximately 15 years old, around 292 CE according to Toumanoff's chronology. Her passing marked the end of the Pharnabazid kingship and queenship in Iberia, as recorded by chroniclers.

Second Marriage: Nana

Mirian subsequently married his second queen, Nana, described as being "from Pontus, daughter of Oligotos." Queen Nana bore him two sons, Rev and Varaz-Bakur, who would continue the royal line. Additionally, they had a daughter whose marriage to Peroz, the first Mihranid dynast of Gugark, further cemented political alliances and extended the family's influence across the region.

Dynastic Connections

The marriages of Mirian III were not merely personal unions but strategic alliances that solidified his rule and expanded the influence of the Chosroid dynasty. His connection to the Arsacid and Pharnabazid lines through Abeshura, and the Mihranid line of Gugark through his daughter, illustrate the complex web of dynastic relationships that characterized the political landscape of ancient Iberia and the broader Caucasus region.

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References

References

  1.  Lang, David Marshall (1956), Lives and legends of the Georgian saints, pp. 13-39. London: Allen & Unwin
  2.  Aleksidze 2018; Toumanoff 1969, p.ย 21
  3.  Rapp 2003, pp.ย 293รขย€ย“295; Toumanoff 1967, pp.ย 83รขย€ย“84, 377
A full list of references for this article are available at the Mirian III Wikipedia page

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