A Light Shines East: The World of a Christian Persia

Wait I just had a thought. How would the Ebionites get a copy of the Mishnah? Why would they? The Mishnah was redacted in the 200s CE and codified Pharisee teachings after the development of Christianity. Would the Ebionites really choose to follow the Mishnah at all?

Hmm.
Good point. The Ebionites probably just use the books of the Old Testament as their primary legal source.
 
Good point. The Ebionites probably just use the books of the Old Testament as their primary legal source.
... so they're more like OTL Karaites plus Jesus, who call themselves Christians? Hm.
My prior analysis may not apply. They might not have a "Yathribi Talmud" that is recognizable as a Talmud (meaning: not a compilation of scholarly debates, stories, and commentary expounding on the Mishnah).
 
The Rise of Abu Yusuf
From “The Life of Abu Yusuf” by Abdullah Al-Yathribi

In the years following the life of Jesus, the young religion of Christianity split into three major sects. The first was the Apostolic Church, claiming descent from Jesus through the Patriarchs Peter and Paul and establishing itself in the city of Ctesiphon, gaining a significant following in Mesopotamia and Persia under the Arsacid Parthian Empire. The Apostolic Church would eventually come to be the state religion of the Sassanid Persian Empire. The Apostolics believed in a divine Trinity consisting of God the Father, God the Son, and God the Holy Spirit, that Jesus was both fully man and fully god(being God the Son incarnate), but still one person[1], that the Patriarch of Ctesiphon is the legal successor of Christ, and that salvation can be attained through the Apostolic Church.

The second major Christian sect were the various Gnostic Churches. The Gnostics believed that the material would was the creation of a malevolent deity called the Demiurge, and that Jesus was the emanation of a more powerful benevolent deity called the Monad. Rather than the usual Christian doctrine of salvation, they believed that through gnosis or hidden knowledge one could escape from the prison of the material world and be reunited with the Monad, similar to the Buddhist concept of Nirvana. Gnosticism would never gain institutional support like the Apostolic Church, although it was relatively popular in the Palmyrene Empire due to it’s theological similarities with Hellenism. The world’s largest concentration of Gnostics was in Alexandria. The Gnostics gradually decline in favor of the other two sects.

The third major Christian sect was the Ebionite Church. The Ebionites claimed successorship to Jesus through his brother, Saint James the Just. Unlike how the Patriarch of Ctesiphon was the highest possible authority within the Apostolic Church, the Ebionites believed that only a descendant of Saint James could claim authority over the entire church. The Ebionites believed that Jesus was a mere man who was adopted as the Son of God, and was anointed as a prophet and messiah. While Apostolicism grew to become the state religion of Persia, Ebionitism would thrive among the peoples of the Arabian peninsula.

Arabia caught in the crossfire between the Palmyrene and Sassanid Empires. The Banu Ghassan(Ghassanids) of northwestern Arabia converted to Ebionitism and aligned themselves with the Palmyrenes, while the Banu Lakhm(Lakhmids) of the eastern Arabian coast converted to Apostolic Christianity. Further south, the Bedouin tribes were mostly pagan, although Ebionite Christianity was spreading. Judaism was also a significant religion in Arabia; the city of Yathrib[Medina] was heavily Jewish, and the Himyarite Kingdom of Yemen had adopted Judaism as their official religion. The Ghassanids and Lakhmids would frequently find themselves in conflict as their Palmyrene and Sassanid allies went to war.

In the year 610 AD, the Twelve Years’ War between the Palmyrenes and Persians would begin. The Persians, under their shah Ardashir III, conquered Syria and Egypt, including Palmyra[2] from the Palmyrenes and began marching towards the Palmyrenes’ second capital of Byzantion. Despite his best efforts, Ardashir failed to conquer the heavily walled city[3]. Palmyrene Emperor Odaenathus X then went on the counterattack, reclaiming much of his empire and sacking Ctesiphon. Ardashir III was deposed in favor of his brother Yoseph II, and the war ended in a status quo ante bellum. However, the war would have the effect of significantly weakening both empires. Victorious, Odaenathus immediately announced a campaign of persecution against the empire’s Christian minorities, which had become the majority in Egypt and Syria, to “root out Persian sympathizers” even though most Palmyrene Christians were either Gnostics or Ebionites and thus considered heretics by the Persian church.

Odaenathus’ persecution of his empire’s Christian population had the effect of alienating his Ghassanid allies, who turned against him. King Jabalah V of the Banu Ghassan declared war on the Palmyrene Empire and began campaigning in Syria. Taking advantage of the Palmyrenes’ weakened state and unpopularity among the local Christians, Jabalah conquered Egypt and Syria from the Palmyrenes, depriving them of their ceremonial capital of Palmyra for which their empire was named. Odaenathus would be killed in battle against Jabalah and his successor, also named Odaenathus, was more focused on keeping the Anatolian core of what remained of his empire than reconsidering the Ghassanids’ new territories.

As Jabalah conquered his new empire, equally important events were taking place further south. During Jabalah’s war against the Palmyrenes, he was joined by an Ebionite Bedouin merchant-turned-mercenary by the name of Abu Yusuf. Abu Yusuf would prove to be a skilled tactician, and would rise through the ranks to become second in command only to Jabalah himself. To solidify his place in the Ghassanids ranks, Abu Yusuf would even marry Jabalah’s daughter and only child, Maryam. Abdul-Yasu ibn Abu Yusuf, Abu Yusuf’s son by a previous marriage with the now-deceased Bedouin woman Fatimah, would become a merchant of the predominantly pagan city of Makkah, where he preached the word of Christ. Abdul-Yasu would gain the ire of Makkah’s pagan elite, and the city fell into a civil war between Christians and pagans. Hearing of the events taking place further south, Abu Yusuf came to assist his son and the two eventually came to unify the Hejaz and Najd regions under the Ghassanids banner, except for the Lakhmids and Himyarites. To solidify his family’s control over the region, Abu Yusuf agreed that his son would marry into the Banu Umayya clan that held significant influence in Makkah.

Back in the Ghassanid realm, Jabalah’s reign was cut short when he died of arsenic poisoning under the orders of the power hungry general Yahya ibn Abdullah. Abu Yusuf, who had been declared Jabalah’s heir, returned to Damascus(which had been established as the Ghassanid capital) and crushed Yahya’s rebellion. With all of Egypt and Syria and most of Arabia under his control, Abu Yusuf set his eyes eastward to the kingdom of the Banu Lakhm. The Lakhmids, alongside the Himyarites, controlled the last stretch of land in Arabia not subject to Abu Yusuf. And so he had decided to expand his empire eastward, coming into conflict with the Lakhmids and, by extension, Persia.



[1]I’ve decided to make the Apostolic Church miaphysite since the Armenian Church IOTL is Miaphysite, and since Armenia is an OTL example of a Zoroastrian nation that converted to Christianity, I’ve decided to use it as a model for what positions TTL’s Persian Church would adopt

[2]Palmyra is a lot less easily defensible than Constantinople. In fact, it’s practically begging to be conquered. After Vaballathus’ death, the Palmyrenes have gradually begun to adopt Byzantion as a secondary capital that won’t immediately get sacked by the Persians whenever they go to war, while Palmyra remains the ceremonial capital where the Emperor conducts sacrifices.

[3]The Palmyrenes probably build a similar wall around Byzantion as the Byzantines built around Constantinople IOTL, for similar reasons
 
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From “The Life of Abu Yusuf” by Abdullah Al-Yathribi

In the years following the life of Jesus, the young religion of Christianity split into three major sects. The first was the Apostolic Church, claiming descent from Jesus through the Patriarchs Peter and Paul and establishing itself in the city of Ctesiphon, gaining a significant following in Mesopotamia and Persia under the Arsacid Parthian Empire. The Apostolic Church would eventually come to be the state religion of the Sassanid Persian Empire. The Apostolics believed in a divine Trinity consisting of God the Father, God the Son, and God the Holy Spirit, that Jesus was both fully man and fully god(being God the Son incarnate), but still one person[1], that the Patriarch of Ctesiphon is the legal successor of Christ, and that salvation can be attained through the Apostolic Church.

The second major Christian sect were the various Gnostic Churches. The Gnostics believed that the material would was the creation of a malevolent deity called the Demiurge, and that Jesus was the emanation of a more powerful benevolent deity called the Monad. Rather than the usual Christian doctrine of salvation, they believed that through gnosis or hidden knowledge one could escape from the prison of the material world and be reunited with the Monad, similar to the Buddhist concept of Nirvana. Gnosticism would never gain institutional support like the Apostolic Church, although it was relatively popular in the Palmyrene Empire due to it’s theological similarities with Hellenism. The world’s largest concentration of Gnostics was in Alexandria. The Gnostics gradually decline in favor of the other two sects.

The third major Christian sect was the Ebionite Church. The Ebionites claimed successorship to Jesus through his brother, Saint James the Just. Unlike how the Patriarch of Ctesiphon was the highest possible authority within the Apostolic Church, the Ebionites believed that only a descendant of Saint James could claim authority over the entire church. The Ebionites believed that Jesus was a mere man who was adopted as the Son of God, and was anointed as a prophet and messiah. While Apostolicism grew to become the state religion of Persia, Ebionitism would thrive among the peoples of the Arabian peninsula.

Arabia caught in the crossfire between the Palmyrene and Sassanid Empires. The Banu Ghassan(Ghassanids) of northwestern Arabia converted to Ebionitism and aligned themselves with the Palmyrenes, while the Banu Lakhm(Lakhmids) of the eastern Arabian coast converted to Apostolic Christianity. Further south, the Bedouin tribes were mostly pagan, although Ebionite Christianity was spreading. Judaism was also a significant religion in Arabia; the city of Yathrib[Medina] was heavily Jewish, and the Himyarite Kingdom of Yemen had adopted Judaism as their official religion. The Ghassanids and Lakhmids would frequently find themselves in conflict as their Palmyrene and Sassanid allies went to war.

In the year 610 AD, the Twelve Years’ War between the Palmyrenes and Persians would begin. The Persians, under their shah Ardashir III, conquered Syria and Egypt, including Palmyra[2] from the Palmyrenes and began marching towards the Palmyrenes’ second capital of Byzantion. Despite his best efforts, Ardashir failed to conquer the heavily walled city[3]. Palmyrene Emperor Odaenathus X then went on the counterattack, reclaiming much of his empire and sacking Ctesiphon. Ardashir III was deposed in favor of his brother Yoseph II, and the war ended in a status quo ante bellum. However, the war would have the effect of significantly weakening both empires. Victorious, Odaenathus immediately announced a campaign of persecution against the empire’s Christian minorities, which had become the majority in Egypt and Syria, to “root out Persian sympathizers” even though most Palmyrene Christians were either Gnostics or Ebionites and thus considered heretics by the Persian church.

Odaenathus’ persecution of his empire’s Christian population had the effect of alienating his Ghassanid allies, who turned against him. King Jabalah V of the Banu Ghassan declared war on the Palmyrene Empire and began campaigning in Syria. Taking advantage of the Palmyrenes’ weakened state and unpopularity among the local Christians, Jabalah conquered Egypt and Syria from the Palmyrenes, depriving them of their ceremonial capital of Palmyra for which their empire was named. Odaenathus would be killed in battle against Jabalah and his successor, also named Odaenathus, was more focused on keeping the Anatolian core of what remained of his empire than reconsidering the Ghassanids’ new territories.

As Jabalah conquered his new empire, equally important events were taking place further south. During Jabalah’s war against the Palmyrenes, he was joined by an Ebionite Bedouin merchant-turned-mercenary by the name of Abu Yusuf. Abu Yusuf would prove to be a skilled tactician, and would rise through the ranks to become second in command only to Jabalah himself. To solidify his place in the Ghassanids ranks, Abu Yusuf would even marry Jabalah’s daughter and only child, Maryam. Abdul-Yasu ibn Abu Yusuf, Abu Yusuf’s son by a previous marriage with the now-deceased Bedouin woman Fatimah, would become a merchant of the predominantly pagan city of Makkah, where he preached the word of Christ. Abdul-Yasu would gain the ire of Makkah’s pagan elite, and the city fell into a civil war between Christians and pagans. Hearing of the events taking place further south, Abu Yusuf came to assist his son and the two eventually came to unify the Hejaz and Najd regions under the Ghassanids banner, except for the Lakhmids and Himyarites. To solidify his family’s control over the region, Abu Yusuf agreed that his son would marry into the Banu Umayya clan that held significant influence in Makkah.

Back in the Ghassanid realm, Jabalah’s reign was cut short when he died of arsenic poisoning under the orders of the power hungry general Yahya ibn Abdullah. Abu Yusuf, who had been declared Jabalah’s heir, returned to Damascus(which had been established as the Ghassanid capital) and crushed Yahya’s rebellion. With all of Egypt and Syria and most of Arabia under his control, Abu Yusuf set his eyes eastward to the kingdom of the Banu Lakhm. The Lakhmids, alongside the Himyarites, controlled the last stretch of land in Arabia not subject to Abu Yusuf. And so he had decided to expand his empire eastward, coming into conflict with the Lakhmids and, by extension, Persia.



[1]I’ve decided to make the Apostolic Church miaphysite since the Armenian Church IOTL is Miaphysite, and since Armenia is an OTL example of a Zoroastrian nation that converted to Christianity, I’ve decided to use it as a model for what positions TTL’s Persian Church would adopt

[2]Palmyra is a lot less easily defensible than Constantinople. In fact, it’s practically begging to be conquered. After Vaballathus’ death, the Palmyrenes have gradually begun to adopt Byzantion as a secondary capital that won’t immediately get sacked by the Persians whenever they go to war, while Palmyra remains the ceremonial capital where the Emperor conducts sacrifices.

[3]The Palmyrenes probably build a similar wall around Byzantion as the Byzantines built around Constantinople IOTL, for similar reasons
That is some outstanding parallelism to both OTL and the Shia/Sunni schism, well done
 
Great seeing this TL back, learning about the main church splits are interesting and I'm curios on how this alt caliphate would develop
The OTL empires of Charlemagne, Ghengis Khan, and Alexander the Great provide a good approximation of how Abu Yusuf’s empire will turn out after he dies. The stability of the empire is entirely dependent on one man, and there’s no system of succession in place to ensure stability, not to mention that the Persians view Abu Yusuf and his descendants as barbarians and heretics and the Palmyrenes want Palmyra back.
 
The position of Christianity over the Middle East is likely going to see Christian sects cover all of Africa and Central Asia.

And there will remain a continuity in the Persian Empire ITTL without the Arab conquest.
 
I have doubts the Palmyrians will be able to retake their imperial territories in Syria and Egypt though from what it sounds like with those two regions being Christian majority and likely hostile to being once again under the rule of non-Christian Palmyrian Empire, especially with the persecutions that happened before the territories were conquered by the Arabian Empire.
The OTL empires of Charlemagne, Ghengis Khan, and Alexander the Great provide a good approximation of how Abu Yusuf’s empire will turn out after he dies. The stability of the empire is entirely dependent on one man, and there’s no system of succession in place to ensure stability, not to mention that the Persians view Abu Yusuf and his descendants as barbarians and heretics and the Palmyrenes want Palmyra back.
 
I have doubts the Palmyrians will be able to retake their imperial territories in Syria and Egypt though from what it sounds like with those two regions being Christian majority and likely hostile to being once again under the rule of non-Christian Palmyrian Empire, especially with the persecutions that happened before the territories were conquered by the Arabian Empire.
I agree. The Palmyrenes are not going to ever be able to retake those the same way the Byzantines never did
 
It was mentioned earlier in the Hellenism thread mark that under Mithras and Isis there is the Dodekatheon, 12 main gods that all Hellenes agree upon. Are these gods just the twelve Olympians? If so, do they go under their Greek names or Roman names?
 
It was mentioned earlier in the Hellenism thread mark that under Mithras and Isis there is the Dodekatheon, 12 main gods that all Hellenes agree upon. Are these gods just the twelve Olympians? If so, do they go under their Greek names or Roman names?
Probably Greek given the Hellenization of the eastern Mediterranean
 
The Palmyrenes will never take back their former territories, although they’ll certainly try.
It was mentioned earlier in the Hellenism thread mark that under Mithras and Isis there is the Dodekatheon, 12 main gods that all Hellenes agree upon. Are these gods just the twelve Olympians? If so, do they go under their Greek names or Roman names?
Probably Greek given the Hellenization of the eastern Mediterranean
The Dodekatheon is just the Greek name for the twelve Olympians. I have some more ideas for post-Roman religion, but for now I’ll leave it at that.
 
The Two Eyes of the World
From “History of the Apostolic Church” by Afshin Khorrami

In the centuries between the conquests of Vaballathus and the conquests of Abu Yusuf, the Palmyrene and Sassanid Empires emerged as the premier powers in Western Asia. In Persia, imperial ideology claimed that the power of the Sassanid Shahs derived from god, and that they had a sacred duty to support the Apostolic Church. Shapur’s conversion to and patronage of Christianity led to the weakening of the Parthian nobility that had previously dominated Persia, leading to the centralization of the Persian state apparatus into the hands of the Shah[1]. The Sassanid Shahs empowered the Church at the expense of the nobility, to the point when the novility were effectively irrelevant. Each Sassanid satrapy was administered by a Bishop and run by a bureaucracy consisting of priests. With this strengthening of the Church, the Patriarch Ctesiphon grew to enjoy a position of power and influence rivaled only by the Shah himself.

Later into the Sassanid state’s existence, the Patriarch and the Shah would come into conflict over whose influence was greater[2]. The Patriarchs were able to gain the upper hand by using the devout Persian peasantry to their advantage. If ever a Shah went against the wishes of the Patriarch, than the Patriarch would simply excommunicate him and the peasants would revolt to put a loyal Shah on the throne. Thus, the institution of the Shah was effectively reduced to a puppet of that of the Patriarch. While the Patriarch had effectively seized absolute power over the institutions of government, the Shah was still the military leader of the Persians. Beneath the Shahanshah were the spahbeds of the various branches of the Persian military, those being the aswaran[3], the elephant corps, the immortals[4], the army, the navy[5], and the Daylamites[6].

In the Palmyrene Empire, a similar system of theocracy developed, only this time with the Emperor at its center. Palmyra’s first ruling dynasty, consisting of Odaenathus, Zenobia, and Vaballathus, all claimed to be living gods. While the Emesene dynasty that replaced them had no such pretensions, their entire claim to legitimacy was based around being priest kings who would rule on behalf of and worship Palmyra’s founding dynasty. While the city of Palmyra stopped being an administrative capital after the Persians sacked it one to many times(being replaced with the strategically-placed city of Byzantion), it continued to serve as a ceremonial capital where the Emperor would perform elaborate sacrifices of bulls to the god Mithras(and by extension, Odaenathus), his wife Isis(and by extension, Zenobia), their son Vaballathus, Alexander of Macedon(whom Odaenathus was the reincarnation of), and the Ptolemaic Queen Cleopatra(whom Zenobia was the reincarnation of). This festival of the Tauroctony was central to the Palmyrene state and the Palmyrene identity, so much that the loss of Palmyra would mean the eventual overthrow of the Emesene dynasty.

Three philosophical schools would become predominate under the Palmyrene Empire; Mithraism, Platonism[7], and Stoicism. Mithraism is centered around the worship of the god Mithras. In Mithraism, Mithras created the world by slaying the primordial bull, and is traditionally paired with the goddess Isis. Mithraists worship in underground temples called mithraea. Members of a mithraeum progress through various ranks. With each passing rank, more hidden knowledge is gained. Traditionally, only men were allowed to join the mithraea, while the women and children worshipped Isis in similar secret meeting places. The second major school, Platonism, is derived from the teachings of the Greek philosophers Socrates, Plato, and Aristotle. Platonism provided the basis of the ideal ruler in Mithraic civilization, the philosopher-king, as well as the typical social structure of Mithraic Europe. Several key concepts that entered Mithraism, such as emanations and reincarnation, are rooted in Platonism.

The third major philosophy was Stoicism. While Mithraism focuses on the metaphysical nature of the universe and Platonism focuses on social structures and ideals(including the ideal ruler) with a mystical structure based on those ideas, Stoicism emphasized living according to virtue and accepting the will of the gods, and provided the moral framework for Mithraic civilization[8]. In addition, an unofficial fourth philosophy also developed in the form of Hellenism, a collection of pre-Mithraic pagan traditions that were still widely believed by the lower classes. Among the Germanic peoples of Northern Europe and Vinland, Hellenism is replaced with the local folk religion of Asatru, and among the Mithraic Slavs with Rodnovery, but this basic of Mithraism, Platonism, Stoicism, and a local folk religion exists throughout Mithraic Europe. These philosophies are not strictly “religions” in the Abrahamic sense of the word in the sense that they aren’t viewed as something you are but rather something you do, it is perfectly acceptable to be a Mithraist, a Platonist, and a Stoic all at the same time. Palmyra also had a large Ebionite Christian minority, and tolerated Jews and Zoroastrians(especially since Zoroastrian Armenia was a key Palmyrene ally).

The Persians and Palmyrenes, nicknamed “the two eyes of the world” by the esteemed Persian poet Shapur Yosefzadeh, were rivals for regional hegemony and fought many wars. These wars were ideological in nature, as the Persians wished to reunify the empire of Cyrus the Great and the Palmyrenes that of Alexander the Accursed.The largest of the wars between the Palmyrenes and Sassanids before the one that would ultimately bring about the end of both empires began in 535 when the Palmyrene Emperor Mithradotus II launched a surprise invasion of Persia. He was able to take the city of Ctesiphon, only for Shahanshah Ardashir II and Patriarch John IV to reestablish themselves at Gundeshapur, from where Ardashir would launch a successful counter-invasion of the occupied territories, after which the Shah and Patriarch would return to Ctesiphon and Mithradotus would sign a treaty of “eternal peace” with the Persians before being overthrown by his brother, Emperor Odaenathus VII. Ardashir would be given the title “Anushirvan”, or “immortal soul[9]”, and would later be canonized as a saint[10]. The next major war between the two would lead to the weakening of both empires before the Arabs of Abu Yusuf.

From “The Life of Abu Yusuf” by Abdullah Al-Yathribi

After having secured himself as the successor to Jabalah and the inheritor of his kingdom, Abu Yusuf set his eyes toward the Lakhmid Kingdom. Abu Yusuf was easily able to conquer the Lakhmids, but with the Banu Lakhm gone, a new enemy emerged to challenge him. The Sassanid Persians had traditionally relied on the Lakhmid Kingdom as a buffer against the nomadic Bedouin tribes from further in Arabia. Fearing that Persia was now in a vulnerable position, Shahanshah Yazdegerd IV[11] launched a preemptive invasion of Arabia. While Yazdegerd and his forces were bogged down in the desert, Abu Yusuf and his armies crossed the border into Persian Mesopotamia.

With Ctesiphon threatened, Yazdegerd was forced to abandon Arabia and face Abu Yusuf in Mesopotamia. The two met at Babylon[12], where Abu Yusuf would capture Yazdegerd and hold him hostage. He then set his armies towards Ctesiphon, and captured the city. As with during the Palmyrene Emperor Mithradotus’ capture of the city a century earlier, the Patriarch fled to Gundeshapur, and Yazdegerd’s cousin Yonetan II was crowned as the new Shahanshah. Abu Yusuf then set out towards Gundeshapur. Abu Yusuf’s forces captured the city, alongside the Patriarch and the Shah. Yonetan was executed, and Abu Yusuf was declared the new Shahanshah of Persia. Abu Yusuf was tempted to execute the Patriarch as well, but a Persian advisor by the name of Khosrau convinced him to spare the head of the Apostolic Church, saying that he “could make the people of Persia and enemy of Arabia until the Day of Judgement, or the the loyal subjects of the Arab king.”

From “Dar Al-Yasu[13] by Yoseph Qatraye

After conquering Persia, Abu Yusuf had no more major conquests. He wished to conquer the Himyarite Kingdom, but by this point he was an old man, and the conquest and pacification of Persia had significantly aged him. While the Sassanid Empire fell with the capture of Gundeshapur, Abu Yusuf would spend the next eight years of his life pacifying various parts of Persia that refused still to accept Ebionite Arab rule. Some mountainous regions of Persia would not be fully incorporated into the Arab Empire until after Abu Yusuf’s death. After Persia had fallen, Abu Yusuf would return to his capital of Damascus and live there for the rest of his life. His one last major achievement was creating the Qanun, the legal code of the Arab Empire based on the Law of Moses lashed out in Leviticus and combined with the tribal laws of the Bedouins. Abu Yusuf would die of old age in his palace at Damascus at seventy nine years old. In the span of his lifetime, he had gone from a random tribesman in the middle of the desert, seen as a barbarian by more important peoples, to the undisputed master of Western Asia, seen as a king, a conqueror, and a lawgiver. But despite all of Abu Yusuf’s achievements, none of that mattered anymore. Now all that mattered was succession to the empire he had conquered.




[1]Sassanid Persia IOTL was essentially feudal, with powerful families such as the Seven Great Houses(the Houses of Karen, Varaz, Ispahbudhan, Mihran, Suren, Zik, and Spandiyadh) having considerable influence. TTL’s Sassanid Persia is instead an absolutist monarchy with a centralized bureaucracy, roughly comparable to Bourbon France or Imperial China IOTL

[2]The OTL debate between the Pope and the Holy Roman Emperor over the appointment of bishops happens between between the Patriarch and Shah ITTL. Just as the Catholic Church IOTL modeled its structure off of the Roman administrative system, so too does the Apostolic Church model its administrative structure off of that of Persia. Beneath the Patriarch, each satrapy has its own bishop who serves as satrap(to the point that the two positions become one and the same), with priests below him who serve as government bureaucrats in addition to their clerical roles, and then monks who don’t really play any formal role in the government but are valued for their advise. Since the Apostolic Church effectively is the government bureaucracy, the Patriarch is able to set himself up as the de facto ruler of Persia. A system sort of similar to the Shogunate in OTL Japan emerges, with the Patriarch playing the role of the shogun and the Shah playing the role of the emperor.

[3]Cataphracts

[4]An elite cavalry division consisting of 10,000 men, intended as a revival of the similarly named branch of the Achaemenid military

[5]The Sassanids weren’t much of a naval power ITTL or IOTL, but had one nevertheless(almost entirely used against the Palmyrenes, since a navy’s pretty useless against Göktürks or Hephtalites)

[6]Elite infantry from Daylam, a mountainous region of Iran inhabited by a semi-barbaric people who gave their name to the Daylamite branch of the Sassanid military.

[7]We would call it “Neoplatonism”, but this is a modern name for it and people at the time would’ve simply called it “Platonism”, so I will as well

[8]The best comparison for this IOTL is China. Think of Mithraism as Buddhism, Neoplatonism as Confucianism, and Stoicism as Daoism.

[9]This same title was given to Khosrau I IOTL

[10]The Apostolic Church acknowledges the existence of saints, but doesn’t believe that they can be prayed to and regards the concept of patron saints as polytheistic. Sainthood in the Apostolic Church is simply a recognition of either being one of Jesus’ Apostoles, being a former Patriarch of Ctesiphon(all Patriarchs are canonized upon death), having some sort of miracle attributed to you, or(in Ardashir’s case) extraordinary deeds in service of your faith. All Apostolic saints are given the Aramaic honorific “Mar”, meaning “lord”.

[11]The previous Shah, Ardashir III, had been deposed after his failure against Palmyra

[12]By this point, Babylon has largely been overshadowed by Ctesiphon, but it has retained some importance as a major center of learning, with the the Church-run University of Babylon being the most prodigious center of learning in the Sassanid Empire

[13]Arabic for “Realm of Jesus”, a common nickname for Abu Yusuf’s empire
 
So, two questions, or at least things I want bring up. One, when talking about Mithraic Europe, the in-universe writer also talks about Germanic and Slavic people. Is this meant to state that these groups began following the concepts of Mithraism, Platonism, and Stoicism outlined alongside their own folk religions? It wasn't very clear. As a side note, the in-universe writer mentions the term, "Mithraic Europe," but if I remember comments you made in this thread correctly, the idea of Europe as a distinct continent wouldn't become a thing ITTL. The other thing I wanted to mention, not really as a question, but just something that surprised me, was the relatively limited conquests of Abu Yusuf. You've mentioned Christian Iberia as well as that his empire would fall shortly after he did, so I expected him to at least conquer North Africa. Will it be like the Mongols where they continue expanding after the founder's death?
 
Glad seeing another update, so the Patriarch became the king maker basically, hopefully a future Shah will be able to reign in the power of the church as to better control the state and fight off the Heretics.

Btw, does India have a big Christian presence? I can imagine with an Alt Caliphate, trade between Persia and India(especially given Persia controlled a direct path towards India) as well as naval presence would allow it to spread like Islam did.
 
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