Hormizd I
Hormizd-Ardashir, better known by his dynastic name of Hormizd I, was the third Sasanian King of Kings of Iran, who ruled from May 270 to June 271. He was the third-born son of Shapur I, under whom he was governor-king of Armenia, and also took part in his father's wars against the Roman Empire. Hormizd I's brief time as ruler of Iran was largely uneventful. He built the city of Hormizd-Ardashir, which remains a major city today in Iran. He promoted the Zoroastrian priest Kartir to the rank of chief priest and gave the Manichaean prophet Mani permission to continue his preaching.
It was under Hormizd I that the title of "King of Kings of Iran and non-Iran" became regularized in Sasanian coinage; previously, the royal titulary had generally been "King of Kings of Iran". Hormizd I was succeeded by his eldest brother Bahram I.
Etymology
The name of Hormizd is the Middle Persian version of the name of the supreme deity in Zoroastrianism, known in Avestan as Ahura Mazda. The Old Persian equivalent is Auramazdā, whilst the Greek transliteration is Hormisdas. The name is attested in Armenian as Ormizd and in Georgian as Urmizd. His personal name was "Hormizd-Ardashir", a combination of "Hormizd" and "Ardashir", the latter being the Middle Persian form of the Old Persian Ṛtaxšira, meaning "whose reign is through truth ".Background
Hormizd was the third-born son of Shapur I. According to folklore, Hormizd's mother was a daughter of the Parthian dynast Mihrak. His two elder brothers were Bahram and Shapur Meshanshah, whilst Narseh was his younger brother. Hormizd had two sisters named Adur-Anahid and Shapurdukhtak. His grandfather was Ardashir I, the founder of the Sasanian Empire. The Sasanians had supplanted the Arsacid Empire as the sovereigns of Iran in 224, when Ardashir I defeated and killed the last Arsacid King of Kings Artabanus IV at the Battle of Hormozdgan.Rise
Hormizd is first mentioned during the wars of Shapur I against the Roman Empire. He was made the king of Armenia after its conquest by Shapur I in 252. Hormizd is believed to be many modern historians to have taken part in Shapur I's second Roman expedition, which took place in the Roman provinces of Syria, Cilicia, and Cappadocia, and which lasted from 253 to 256. This is supported by the reports of the Cappadocian conquests. Cappadocia does not appear to have been the only area that Hormizd fought in: according to the Scriptores Historiae Augustae, the Roman rebel Cyriades assisted Shapur I and a certain Odomastes in the conquest of Antioch. The name Odomastes is an incorrect transliteration of Hormizd, and may thus suggest that after plundering Cappadocia, Hormizd took part in the siege of Antioch in 253.Hormizd is mentioned in an [Shapur I's Shapur I's inscription at the Ka'ba-ye Zartosht|inscription at the Ka'ba-ye Zartosht|inscription] on the wall of the Ka'ba-ye Zartosht at Naqsh-e Rostam near Persepolis in southern Iran, which Shapur I had created in order to praise his sons by citing their names and titles. In the inscription, Hormizd is given the title of Wuzurg Šāh Arminān. The 4th-century Armenian historian Agathangelos states that this title was only given to the heir of the shahanshah.
When Shapur I was on his deathbed, he crowned Hormizd as the new shahanshah of Iran, in May 270.