Tiridates III, Arsacid claimant to the Armenian throne and Roman client, had been disinherited and forced to take refuge in the Empire after the Persian conquest of 252 / 3.

At that time Tiridates III the son of the late King Khosrov II, reigned.

Gregory was eventually called forth from his pit in c. 297 to restore to sanity Tiridates III, who had lost all reason after he was betrayed by Roman emperor Diocletian.

In 301 Gregory baptized Tiridates III along with members of the royal court and upper class as Christians.

Tiridates III issued a decree by which he granted Gregory full rights to begin carrying out the conversion of the entire nation to the Christian faith.

* Tiridates III becomes king of Parthia.

* Lucius Vitellius defeats Artabanus II of Parthia in support of another clamaint to the throne, Tiridates III.

The baptism of king Tiridates III of Armenia | Tiridates III

* King Tiridates III proclaims Christianity as the official state religion.

* King Tiridates III of Armenia, ( with Rome as suzerainty ) invades Assyria.

* Diocletian signs a peace treaty with Bahram II, king of Persia, and installs Tiridates III as king of Armenia.

Members of the Macedonian dynasty would come to use this tree to claim their descent from King Tiridates III of Armenia.

In 296, fed up with incursions made by the Armenian monarch Tiridates III, Narses invaded Armenia.

Baptism of Tiridates III of Armenia | Tiridates III.

The Kingdom of Armenia was the first state to adopt Christianity as its religion when St. Gregory the Illuminator converted King Tiridates III and members of his court, an event dated to AD 301.

Gregory, trained in Christianity and ordained to the presbyterate at Caesarea, returned to his native land to preach about 287, the same time that Tiridates III took the throne.

In 301, 37 Christian virgins, among whom was Saint Nune ( St. Nino for Georgia ), who entered into the Iberian kingdom in Caucasus from the Kingdom of Armenia, where she escaped prosecution from the hands of the Armenian King Tiridates III.

Corbulo, with the legions XV Apollinaris, III Gallica, V Macedonica, X Fretensis and XXII, forced Vologases I of Parthia to a compromise peace ( 63 ), whereby his brother Tiridates would become king of Armenia as a Roman client.

Surprised by the sudden attack, Tiridates fled his kingdom.

In 63, strengthened further by the legions III Gallica, V Macedonica, X Fretensis and XXII, General Corbulo entered into the territories of Vologases I of Parthia, who then returned the Armenian kingdom to Tiridates.

Lesser Armenia was reunited with the kingdom of Greater Armenia under the Arshakuni king Tiridates III in AD 287, until the temporary conquest of Shapur II in 337.

He gave the kingdom of Media Atropatene to his brother Pacorus II, and occupied Armenia for another brother, Tiridates.

In 301, Tiridates proclaimed Christianity as the state religion of Armenia, making the Armenian kingdom the first state to embrace Christianity officially.

When Tiridates returned to Armenia, he made the city of Vagharshapat, his capital in the kingdom as Vagharshapat was the capital of his late father.

After a long conflict in the kingdom of Armenia, Nero had brokered a political deal in which he allowed the Parthian prince Tiridates of Armenia to rule as king as long as he did so under Roman authority and crowned by Nero himself.

Tiridates or Teridates () is a Persian name, given by Arrian in his Parthica to the brother of Arsaces I, the founder of the Parthian kingdom, whom he is said to have succeeded in about 246 BC.

He appears to have first invaded western Armenia, where he seized the lands delivered to Tiridates in the peace of 287.

* Tiridates I, brother of Vologases I, comes to power in Armenia as an adversary of the Romans.

* War between Rome and Parthia breaks out due to the invasion of Armenia by Vologases I, who had replaced the Roman supported ruler with his brother Tiridates of Parthia.

* Gnaeus Domitius Corbulo is restored to command after the Roman debacle at the Battle of Rhandeia ; he invaded Armenia and defeated Tiridates I, who accepted Roman sovereignty ; Parthia withdrew from the war.

8. 4 ) how Alans ( whom he calls a " Scythian " tribe ) living near the Sea of Azov, crossed the Iron Gates for plunder and defeated the armies of Pacorus, king of Media, and Tiridates, King of Armenia, two brothers of Vologeses I ( for whom the above-mentioned inscription was made ):

He appears to have first invaded western Armenia, retaking the lands delivered to Tiridates in the peace of 287.

In 55 he received orders from Roman Emperor Nero to levy troops to make war against the Parthians, and in the year 59 he served under General Gnaeus Domitius Corbulo against King Tiridates I of Armenia, brother of the Parthian King Vologases I of Parthia.

Armenia was separated after a couple of battles and Tiridates declared himself independent.

Eastern Mesopotamia was recovered by the Romans and Tiridates was reinstated as the monarch of Armenia.

Antiochus IV had participated in protecting Armenia with the Romans from Tiridates I of Armenia.

Gregory healed Tiridates, who converted to Christianity and declared Armenia to be a Christian nation.

After some delay, he took the offensive in 58, and, reinforced by troops from Germany, attacked Tiridates, king of Armenia and brother of Vologases I of Parthia.

Tiridates declared Gregory to be the first Catholicos of the Armenian Church and sent him to Caesarea to be consecrated.

Tiridates III of Arsacid Dynasty made Armenia the first Christian nation in 301.

* Khosrovidukht ( flourished second half of 3rd century & first half of 4th century ), an Arsacid Armenian Princess and sister of Tiridates III of Armenia

The Kingdom of Armenia was the first state to adopt Christianity as its religion when St. Gregory the Illuminator converted King Tiridates III and members of his court, an event dated to AD 301.

Gregory then healed Tiridates who then converted to Christianity and immediately declared Armenia to be a Christian nation, becoming the first official Christian state.

In 63 he was dispatched along with Corbulo's son-in-law to escort the Armenian king Tiridates to the Roman camp, on the first stage of his journey to receive the status of client king from Nero.

Roman influence was first established with Pompey's campaign of 66 / 65 BC, and again in 59 AD in the campaign of Gnaeus Domitius Corbulo which resulted in the deposition of Tiridates I.

Agathangelos ( in Agatʿangełos, in Greek " bearer of good news " or angel, ca IV or V centuries AD ), appropriately so named, was a supposed secretary of Tiridates III, King of Armenia, under whose name there has come down a life of the first apostle of Armenia, Gregory the Illuminator, who died about 332.

Their first attested appearance is under Nero, at the games organised by Patrobius for Tiridates I of Armenia .< ref > Annals, 15. 32. 3, which mentions that " women of distinction " appeared, which implies the failure of the Larinum decree .</ b ></ ref > There is also a reference in Petronius's Satyricon-possibly based on a factual show-to a female essedarius, or one who fought from a Celtic-style chariot.