'Shapur I' was the second
Sassanid King of the
Second Persian Empire. The dates of his reign are commonly given as
241 -
272, but it is likely that he also reigned as co-regent (together with his father) prior to his father's death in 241.
Early years
Shapur was the son of
Ardeshir I (''r.'' 226–241), the founder of the Sassanid dynasty and whom Shapur succeeded. Although his mother, Lady Myrōd,
[1] was an
Arsacid princess,
[2] Shapur accompanied his father's campaigns against the Parthians, who - at the time - still controlled much of the
Iranian plateau through a system of vassal states that the
Persian kingdom had itself previously been a part of.
Before an assembly of magnates, Ardeshir "judged him the gentlest, wisest, bravest and ablest of all his children"
1 and nominated him as his successor. Shapur also appears as heir apparent in Ardeshir's investiture inscriptions at
Naqsh-e Rajab and Firuzabad. The Cologne
Mani Codex indicates that, by 240, Ardeshir and Shapur were already reigning together.
1 In a letter from
Gordian III to his senate, dated to 242, the "Persian Kings" are referred to in the plural. Synarchy is also evident in the coins of this period that portray Ardashir facing his youthful son, and which are accompanied by a legend that indicates that Shapur was already referred to as king.
The date of Shapur's coronation remains debated, but
241 is frequently noted.
1
War against the Roman Empire

This Sassanid relief is located near
Salmas, and it is believed to depict either Shapur I or his father,
Ardashir I.
Ardashir I had, towards the end of his reign, renewed the war against the
Roman Empire. Shapur I conquered the
Mesopotamian fortresses
Nisibis and
Carrhae and advanced into
Syria.
Timesitheus, father-in-law of the young emperor,
Gordian III, drove him back and defeated him at the
battle of Resaena in
243. Timesitheus died shortly afterward, and
Philip the Arab (244–249) murdered Gordian III. Philip then concluded an ignominious peace with the
Persians in
244. When the invasion of the
Goths and the continuous elevation of new emperors after the death of
Trajan Decius (
251) brought the Roman Empire to dissolution, Shapur I resumed his attacks.
Shapur conquered
Armenia, invaded Syria, and plundered Antioch. Eventually, Emperor
Valerian (253–260) marched against him, but was taken prisoner in the Roman-controlled province of
Edessa when he attempted to meet for negotiations in
260. Shapur advanced into
Asia Minor, but
Ballista beat him back.
Septimius Odenathus, prince of
Palmyra, rose in his rear, defeated the Persian army, reconquered Carrhae and Nisibis, captured the royal harem, and took
Ctesiphon. Shapur I was unable to resume the offensive and lost Armenia again. According to Persian tradition, he held the great fortress of
Hatra in the Mesopotamian desert.
One of the great achievements of Shapur's reign was the defeat of the Roman Emperor Valerian. This is presented in a mural at
Naqsh-e Rustam, where Shapur is represented on horseback wearing royal armour and crown. Before him kneels
Philip the Arab, in Roman dress, asking for grace. In his right hand the king grasps the uplifted arms of what may be Valerian; one of his hands is hidden in his sleeve as the sign of submission. The same scene is repeated in other rock-face inscriptions.
Shapur is said to have publicly shamed Valerian by using the Roman Emperor as a footstool when mounting his horse.
[3] Other sources contradict and note that in other stone carvings, Valerian is respected and never on his knees. This is supported by reports that Valerian and some of his army lived in relatively good conditions in the city of
Bishapur and that Shapur enrolled the assistance of Roman engineers in his engineering and development plans.
Builder of cities
Shapur I left other reliefs and rock inscriptions. A relief at
Naqsh-e Rajab near
Istakhr, is accompanied by a Greek translation. Here Shapur I calls himself "the Mazdayasnian (worshipper of
Ahuramazda), the divine Sapores, King of Kings of the
Aryans,
Iranians, and non-Aryans, of divine descent, son of the Mazdayasnian, the divine
Artaxerxes, King of Kings of the Aryans, grandson of the divine king
Papak." Another long inscription at Istakhr mentions the King's exploits in archery in the presence of his nobles.
From his titles we learn that Shapur I claimed the sovereignty over the whole earth, although in reality his domain extended little farther than that of Ardashir I.
Shapur I built the great town
Gundishapur near the old Achaemenid capital
Susa, and increased the fertility of the district by a dam and irrigation system - built by the Roman prisoners - that redirected part of the
Karun River. The barrier is still called ''Band-e Kaisar'', "the mole of the Caesar." He is also responsible for building the city of
Bishapur, also built by Roman soldiers captured after the defeat of Valerian in
260.
Interactions with minorities
Shmuel, one of the most famous of the ''
Amoraim'' of "
Bavel" (
Babylonia), was occasionally referred to as ''Shvor Malka'', which is the
Aramaic form of the name of the Persian King, by Shapur I, with whom Shmuel was quite friendly. Because of these interactions, many advantages were gained for the Jewish community.
Under Shapur's reign, the prophet
Mani, the founder of
Manichaeism, began his preaching in Western Iran, and the King himself seems to have favoured his ideas. The
''Shapurgan'', Mani's only treatise in the
Middle Persian language, is dedicated to Shapur.
Bibliography
1. Shapur I Encyclopedia Iranica
2. Iran in the Ancient East, , E. E., Herzfeld, , 1988, ISBN 0-87817-308-0 p. 287.
3. Valerian and Gallienus Weigel, Richard D.
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See also
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Bishapur
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Nishapur