paragraph_text: Nicene Christianity became the state church of the Roman Empire with the Edict of Thessalonica in 380 AD, when Emperor Theodosius I made it the Empire's sole authorized religion. The Eastern Orthodox Church, Oriental Orthodoxy, and the Catholic Church each claim to be the historical continuation of this church in its original form, but do not identify with it in the caesaropapist form that it took later. Unlike Constantine I, who with the Edict of Milan of 313 AD had established tolerance for Christianity without placing it above other religions and whose involvement in matters of the Christian faith extended to convoking councils of bishops who were to determine doctrine and to presiding at their meetings, but not to determining doctrine himself, Theodosius established a single Christian doctrine (specified as that professed by Pope Damasus I of Rome and Pope Peter II of Alexandria) as the Empire's official religion.

paragraph_text: For at least a century before the establishment of the Augustan principate, Jews and Judaism were tolerated in Rome by diplomatic treaty with Judaea's Hellenised elite. Diaspora Jews had much in common with the overwhelmingly Hellenic or Hellenised communities that surrounded them. Early Italian synagogues have left few traces; but one was dedicated in Ostia around the mid-1st century BC and several more are attested during the Imperial period. Judaea's enrollment as a client kingdom in 63 BC increased the Jewish diaspora; in Rome, this led to closer official scrutiny of their religion. Their synagogues were recognised as legitimate collegia by Julius Caesar. By the Augustan era, the city of Rome was home to several thousand Jews. In some periods under Roman rule, Jews were legally exempt from official sacrifice, under certain conditions. Judaism was a superstitio to Cicero, but the Church Father Tertullian described it as religio licita (an officially permitted religion) in contrast to Christianity.

paragraph_text: After a failure to assimilate Indigenous children by early missionaries in the 17th century, educational programs were not widely attempted again by religious officials until the 1820s, prior to the introduction of state - sanctioned operations. Included among them was a school established by John West, an Anglican missionary, at the Red River Colony in what is today Manitoba. Protestant missionaries also opened residential schools in the current Ontario region, spreading Christianity and working to encourage Indigenous peoples to adopt subsistence agriculture as a way to ensure they would not return to their original, nomadic ways of life upon graduation.

paragraph_text: After the Great Fire of Rome in 64 AD, Emperor Nero accused the Christians as convenient scapegoats, who were later persecuted and killed. From that point on, Roman official policy towards Christianity tended towards persecution. During the various Imperial crises of the 3rd century, “contemporaries were predisposed to decode any crisis in religious terms”, regardless of their allegiance to particular practices or belief systems. Christianity drew its traditional base of support from the powerless, who seemed to have no religious stake in the well-being of the Roman State, and therefore threatened its existence. The majority of Rome’s elite continued to observe various forms of inclusive Hellenistic monism; Neoplatonism in particular accommodated the miraculous and the ascetic within a traditional Graeco-Roman cultic framework. Christians saw these ungodly practices as a primary cause of economic and political crisis.

paragraph_text: The Nian Rebellion () was an armed uprising that took place in northern China from 1851 to 1868, contemporaneously with Taiping Rebellion (1851–1864) in South China. The rebellion failed to topple the Qing dynasty, but caused immense economic devastation and loss of life that became major long-term factors in the collapse of the Qing regime in the early 20th century.

paragraph_text: Early civilisations in Myanmar included the Tibeto-Burman-speaking Pyu city-states in Upper Burma and the Mon kingdoms in Lower Burma. In the 9th century, the Bamar people entered the upper Irrawaddy valley and, following the establishment of the Pagan Kingdom in the 1050s, the Burmese language, culture and Theravada Buddhism slowly became dominant in the country. The Pagan Kingdom fell due to the Mongol invasions and several warring states emerged. In the 16th century, reunified by the Taungoo Dynasty, the country was for a brief period the largest empire in the history of Southeast Asia. The early 19th century Konbaung Dynasty ruled over an area that included modern Myanmar and briefly controlled Manipur and Assam as well. The British conquered Myanmar after three Anglo-Burmese Wars in the 19th century and the country became a British colony. Myanmar became an independent nation in 1948, initially as a democratic nation and then, following a coup d'état in 1962, a military dictatorship.

paragraph_text: The geopolitical divisions in Europe that created a concept of East and West originated in the Roman Empire. The Eastern Mediterranean was home to the highly urbanized cultures that had Greek as their common language (owing to the older empire of Alexander the Great and of the Hellenistic successors), whereas the West was much more rural in its character and more readily adopted Latin as its common language. After the fall of the Western Roman Empire, Western and Central Europe were substantially cut off from the East where Byzantine Greek culture and Eastern Christianity became founding influences in the Arab / Muslim world and among the Eastern and Southern Slavic peoples. Roman Catholic Western and Central Europe, as such, maintained a distinct identity particularly as it began to redevelop during the Renaissance. Even following the Protestant Reformation, Protestant Europe continued to see itself as more tied to Roman Catholic Europe than other parts of the perceived civilized world.

paragraph_text: Christianity (Korean: 그리스도교; MR: Kurisudogyo) became very popular in northern Korea from the late 18th century to the 19th century. The first Catholic missionaries arrived in 1794, a decade after the return of Yi Sung-hun, a diplomat who was the first baptised Korean in Beijing. He established a grassroots lay Catholic movement in the peninsula. However, the writings of the Jesuit missionary Matteo Ricci, who was resident at the imperial court in Beijing, had been already brought to Korea from China in the 17th century. Scholars of the Silhak ("Practical Learning"), were attracted to Catholic doctrines, and this was a key factor for the spread of the Catholic faith in the 1790s. The penetration of Western ideas and Christianity in Korea became known as Seohak ("Western Learning"). A study of 1801 found that more than half of the families that had converted to Catholicism were linked to the Silhak school. Largely because converts refused to perform Confucian ancestral rituals, the Joseon government prohibited the proselytisation of Christianity. Some Catholics were executed during the early 19th century, but the restrictive law was not strictly enforced.

paragraph_text: As with any other country during the Early Modern Period, such as Italy and Spain in Europe, the Ottoman social life was interconnected with the medrese. Medreses were built in as part of a Mosque complex where many programmes, such as aid to the poor through soup kitchens, were held under the infrastructure of a mosque, which reveals the interconnectedness of religion and social life during this period. "The mosques to which medreses were attached, dominated the social life in Ottoman cities." Social life was not dominated by religion only in the Muslim world of the Ottoman Empire; it was also quite similar to the social life of Europe during this period. As Goffman says: "Just as mosques dominated social life for the Ottomans, churches and synagogues dominated life for the Christians and Jews as well." Hence, social life and the medrese were closely linked, since medreses taught many curricula, such as religion, which highly governed social life in terms of establishing orthodoxy. "They tried moving their developing state toward Islamic orthodoxy." Overall, the fact that mosques contained medreses comes to show the relevance of education to religion in the sense that education took place within the framework of religion and religion established social life by trying to create a common religious orthodoxy. Hence, medreses were simply part of the social life of society as students came to learn the fundamentals of their societal values and beliefs.

paragraph_text: Imperialism is a type of advocacy of empire. Its name originated from the Latin word "imperium", which means to rule over large territories. Imperialism is "a policy of extending a country's power and influence through colonization, use of military force, or other means". Imperialism has greatly shaped the contemporary world. It has also allowed for the rapid spread of technologies and ideas. The term imperialism has been applied to Western (and Japanese) political and economic dominance especially in Asia and Africa in the 19th and 20th centuries. Its precise meaning continues to be debated by scholars. Some writers, such as Edward Said, use the term more broadly to describe any system of domination and subordination organised with an imperial center and a periphery.

paragraph_text: Babylonian mathematics refers to any mathematics of the peoples of Mesopotamia (modern Iraq) from the days of the early Sumerians through the Hellenistic period almost to the dawn of Christianity. The majority of Babylonian mathematical work comes from two widely separated periods: The first few hundred years of the second millennium BC (Old Babylonian period), and the last few centuries of the first millennium BC (Seleucid period). It is named Babylonian mathematics due to the central role of Babylon as a place of study. Later under the Arab Empire, Mesopotamia, especially Baghdad, once again became an important center of study for Islamic mathematics.

paragraph_text: Early Christians continued to pray and rest on the seventh day. By the 2nd century AD some Christians also observed Sunday, the day of the week on which Jesus had risen from the dead and on which the Holy Spirit had come to the apostles. Paul and the Christians of Troas, for example, gathered on Sunday ``to break bread, ''Soon Christians were observing only Sunday and not the Sabbath. Patristic writings attest that by the second century, it had become commonplace to celebrate the Eucharist in a corporate day of worship on the first day. A Church Father, Eusebius, stated that for Christians,`` the sabbath had been transferred to Sunday''.

paragraph_text: In Japanese, they are usually referred to as bushi (武士?, [bu.ɕi]) or buke (武家?). According to translator William Scott Wilson: "In Chinese, the character 侍 was originally a verb meaning "to wait upon" or "accompany persons" in the upper ranks of society, and this is also true of the original term in Japanese, saburau. In both countries the terms were nominalized to mean "those who serve in close attendance to the nobility", the pronunciation in Japanese changing to saburai. According to Wilson, an early reference to the word "samurai" appears in the Kokin Wakashū (905–914), the first imperial anthology of poems, completed in the first part of the 10th century.

paragraph_text: Roman city life and culture changed greatly in the early Middle Ages. Although Italian cities remained inhabited, they contracted significantly in size. Rome, for instance, shrank from a population of hundreds of thousands to around 30,000 by the end of the 6th century. Roman temples were converted into Christian churches and city walls remained in use. In Northern Europe, cities also shrank, while civic monuments and other public buildings were raided for building materials. The establishment of new kingdoms often meant some growth for the towns chosen as capitals. Although there had been Jewish communities in many Roman cities, the Jews suffered periods of persecution after the conversion of the empire to Christianity. Officially they were tolerated, if subject to conversion efforts, and at times were even encouraged to settle in new areas.

paragraph_text: In the early Heian period, the late 8th and early 9th centuries, Emperor Kammu sought to consolidate and expand his rule in northern Honshū, but the armies he sent to conquer the rebellious Emishi people lacked motivation and discipline, and failed in their task.[citation needed] Emperor Kammu introduced the title of sei'i-taishōgun (征夷大将軍) or Shogun, and began to rely on the powerful regional clans to conquer the Emishi. Skilled in mounted combat and archery (kyūdō), these clan warriors became the Emperor's preferred tool for putting down rebellions.[citation needed] Though this is the first known use of the "Shogun" title, it was a temporary title, and was not imbued with political power until the 13th century. At this time (the 7th to 9th century) the Imperial Court officials considered them merely a military section under the control of the Imperial Court.

paragraph_text: The position now dominant in Western Christianity is that observance of the Lord's Day, Sunday, supplanted or superseded the Sabbath commandment in that the former ``celebrated the Christian community's deliverance from captivity to sin, Satan, and worldly passions, made possible by the resurrection on the first day of the week. ''Early Christians observed the seventh day with prayer and rest, but they also gathered on the first day. By the 4th century, Christians were officially observing the first day, Sunday, as their day of rest, not the seventh.

paragraph_text: Armenia is a unitary, multi-party, democratic nation-state with an ancient cultural heritage. Urartu was established in 860 BC and by the 6th century BC it was replaced by the Satrapy of Armenia. In the 1st century BC the Kingdom of Armenia reached its height under Tigranes the Great. Armenia became the first state in the world to adopt Christianity as its official religion. In between the late 3rd century to early years of the 4th century, the state became the first Christian nation. The official date of state adoption of Christianity is 301 AD. The ancient Armenian kingdom was split between the Byzantine and Sasanian Empires around the early 5th century.

paragraph_text: The word pope derives from Greek πάππας meaning ``father ''. In the early centuries of Christianity, this title was applied, especially in the east, to all bishops and other senior clergy, and later became reserved in the west to the Bishop of Rome, a reservation made official only in the 11th century. The earliest record of the use of this title was in regard to the by then deceased Patriarch of Alexandria, Pope Heraclas of Alexandria (232 -- 248). The earliest recorded use of the title`` pope'' in English dates to the mid-10th century, when it was used in reference to Pope Vitalian in an Old English translation of Bede's Historia ecclesiastica gentis Anglorum.

paragraph_text: For almost a thousand years, Rome was the most politically important, richest and largest city in Europe. Around 100 CE, it had a population of about 450,000, and declined to a mere 20,000 during the Early Middle Ages, reducing the sprawling city to groups of inhabited buildings interspersed among large areas of ruins and vegetation.

paragraph_text: In 1091, Roger invaded Malta and subdued the walled city of Mdina. He imposed taxes on the islands, but allowed the Arab governors to continue their rule. In 1127 Roger II abolished the Muslim government, replacing it with Norman officials. Under Norman rule, the Arabic spoken by the Greek Christian islanders for centuries of Muslim domination became Maltese.

Question: When did the city that was central to imperial life in the early fifth century, for the empire that the term 'The West' comes from, officially become Christian?
Answer: 380 AD