Antiochus I Theos of Commagene

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Commagene was a minor kingdom located in the highlands of northern Syria; to the north, it bordered Cappadocia, while it bordered Osroene to the south. It was initially a vassal state of the Seleucids, where it was considerably Hellenized. In the 1st century BC, however, Iranian culture experienced a resurgence, intentionally supported by Commagene in order to highlight its ancient ancestry and refute Seleucid, Parthian and Roman claims over the area. Under Antiochus, his kingdom experienced hardships during the Roman war with Pontus and Armenia. Armenia at first managed to extend its influence over Commagene, but Antiochus was ultimately forced to side with the Romans when the commander Pompey declared war against him.

Antiochus claims in his inscription on Mount Nemrut that he was a "friend of the Romans" (philoromaios), but was seen with some distrust by a few of the informants of Roman politician Cicero. His Iranian lineage made him lean toward the Parthian realm. He enjoyed good relations with the king of Media Atropatene, Darius, who seemingly helped him against Pompey. Antiochus made an alliance with the Parthian monarch Orodes II (r. 57–37 BC), which was cemented with Orodes' marriage to Antiochus' daughter, Laodice. However, in 51 BC Antiochus provided Cicero with intelligence of the movements of a Parthian force led by prince Pacorus I. Ultimately Antiochus chose the Parthians over the Romans. In 38 BCE, Pacorus was defeated and killed by the Romans; the remnants of his army fled to Commagene, where they took refuge.

The Roman general Publius Ventidius marched towards Commagene to punish Antiochus for his desertion. He laid siege to the capital Samosata, where Antiochus resided. Antiochus attempted to reach a compromise by offering 1,000 talents as reimbursement and a renewed alliance with the Romans. The Roman commander-in-chief Mark Antony declined the offer and had Ventidius dismissed, himself taking over the siege. He was, however, unable to capture the capital, and instead resorted to accept Antiochus' new offer of 300 talents. The life of Antiochus becomes obscure after this; according to Cassius Dio, he was killed by the Parthian king Phraates IV, in c. 31 BC.

Mount Nemrut

Antiochus is famous for building the impressive religious sanctuary of Mount Nemrut. When Antiochus reigned as king he was creating a royal cult for himself and preparing to be worshipped after his death. Antiochus was inspired to create his own cult in the Greek form of the religion Zoroastrianism. Antiochus left many Greek inscriptions revealing many aspects of his religion and explaining his purpose of action. In one inscription, Antiochus directed that his tomb should be built in a high and holy place, remote from people and close to the gods, among whom he would be numbered. Antiochus wanted his body to be preserved for eternity. The gods he worshipped were a syncretism of Greek and Iranian gods, such as Heracles-Artagnes-Ares, Zeus-Oromasdes, and Apollo-Mithras-Helios-Hermes. The monumental effigies at the site show both Persian and Greek iconographic influences: Persian influences can be seen in the clothes, headgear and the colossal size of the images, while the depiction of their physical features derives from Greek artistic style.

Antiochus practised astrology of a very esoteric kind, and laid the basis for a calendrical reform, by linking the Commagenian year, which until then had been based on the movements of the Moon, to the Sothic (Star of Sirius) cycle used by the Egyptians as the basis of their calendar. This would suggest that Antiochus was knowledgeable about, if not fully initiated into Hermeticism.

Antiochus’ tomb complex was constructed in a way that religious festivities could occur there. Every month there were two feast days for Antiochus: His coronation, which was celebrated on the 10th of each month, and his birthday, which was celebrated on the 16th of each month. He allocated funds for these events from properties legally bound to the site. He also appointed families of priests and hierodules to conduct the rituals, and their descendants were intended to continue the ritual service in perpetuity. The priests wore traditional Persian robes and adorned the images of the gods and Antiochus' ancestors with gold crowns. The priests offered incense, herbs, and other unspecified "splendid sacrifices" on altars set before each image. All the citizens and military were invited to the banquets in honour of the illustrious deceased. During the feasts, grudging attitudes were forbidden and Antiochus decreed that the people should enjoy themselves, drink wine, eat, and listen to the sacred music performed by the temple musicians.

Antiochus’ tomb was forgotten for centuries, until 1883 when archaeologists from Germany excavated it. From his found inscriptions, Antiochus appears to have been a pious person and had a generous spirit. The ruins of the royal palace have been found in another city of the kingdom, Arsameia. This palace is known as Eski Kale or 'Old Castle'. In Arsameia, Antiochus left many inscriptions in Greek describing his public works program, and how he glorified the city.

Antiochus I Theos of Commagene

Antiochus I Theos of Commagene

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