{"id":29511,"date":"2026-09-30T15:33:45","date_gmt":"2026-09-30T14:33:45","guid":{"rendered":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/"},"modified":"2026-09-30T16:20:32","modified_gmt":"2026-09-30T15:20:32","slug":"boris-i-and-the-christianisation-of-bulgaria","status":"publish","type":"post","link":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/","title":{"rendered":"Boris I and the Christianisation of Bulgaria"},"content":{"rendered":"

Boris I, a pivotal figure in Bulgarian history<\/a>, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn’t merely a religious conversion, but a profound geopolitical and cultural realignment that indelibly shaped the nation’s future, pulling it into the orbit of Byzantine civilisation and solidifying its place on the European stage. The decision to adopt Christianity, and specifically to navigate the fraught landscape between Rome and Constantinople, was a masterful act of diplomacy and strategic foresight, laying the foundations for a distinct Bulgarian identity and its subsequent Golden Age.<\/p>\n

The Geopolitical Chessboard and the Decision to Convert<\/h2>\n

In the 9th century, Bulgaria found itself in a precarious position, sandwiched between two formidable Christian empires: the Byzantine Empire to the south and the emerging Frankish Empire (later the Holy Roman Empire) to the west. Maintaining independence and stability in this environment was a constant challenge, and religious affiliation played a crucial role in international relations. Boris I, inheriting a pagan state, understood that this religious difference was a source of weakness, isolating Bulgaria and making it vulnerable to the cultural and political influence of its Christian neighbours.<\/p>\n

The Problem of Paganism in a Christian World<\/h3>\n

Bulgaria’s traditional pagan beliefs, centred around the deity Tangra, were increasingly anachronistic in a Europe rapidly embracing Christianity. This religious disparity created a significant barrier to diplomatic recognition and integration. Christian rulers often viewed pagan nations with suspicion, sometimes even justifying military actions or missionary efforts as a civilising mission. For Boris, remaining pagan meant Bulgaria would always be an outsider, subject to the whims and pressures of Christian powers, and potentially a target for conversion by force.<\/p>\n

Seeking Strategic Alliances<\/h3>\n

Boris’s early reign was characterised by a series of military and diplomatic manoeuvres aimed at securing Bulgaria’s position. He engaged in conflicts with both the Byzantines and the Franks, often finding himself caught between their competing interests. The prospect of an alliance, particularly with one of these powerful empires, offered significant advantages, but such alliances were often contingent on religious alignment. Adopting Christianity, therefore, became a strategic tool to forge stronger, more reliable partnerships and to gain international legitimacy.<\/p>\n

The Byzantines and the Roman Papacy: A Delicate Balancing Act<\/h2>\n

Boris I understood that the choice of which Christian tradition to adopt \u2013 Eastern Orthodoxy from Constantinople or Roman Catholicism from the Papacy \u2013 carried immense political weight. This wasn’t just a theological debate; it was a decision that would determine Bulgaria’s cultural and political orientation for centuries to come. His approach was pragmatic, using the rivalry between Rome and Constantinople to his advantage.<\/p>\n

Initial Overtures to the West<\/h3>\n

Initially, Boris seemed to lean towards Rome. In 863, facing significant pressure from the Byzantines, he dispatched envoys to Louis the German, the Frankish ruler, expressing interest in adopting Christianity under the auspices of the Latin Church. This move was primarily a strategic ploy to gain leverage against Byzantium. By signalling his readiness to align with the West, Boris put pressure on Constantinople to offer a more favourable deal. He was acutely aware that becoming a spiritual satellite of either power would mean potential political subjugation, and he aimed to avoid this at all costs.<\/p>\n

The Byzantine Response and Forced Conversion<\/h3>\n

The Byzantines, recognising the threat of Bulgaria aligning<\/a> with Rome, reacted swiftly and decisively. In 864, Emperor Michael III launched a major military campaign against Bulgaria. Boris, caught unprepared and facing a superior force, was compelled to accept a peace treaty that included the condition of immediate conversion to Christianity under the Byzantine rite. This baptism, which occurred in secret, marked the official beginning of Bulgaria’s Christianisation. Boris himself was baptised, taking the Christian name Michael, in honour of the Byzantine emperor, a symbolic act of deference that belied his true intentions of maintaining Bulgarian autonomy.<\/p>\n

The Papal Gambit and the East-West Schism<\/h3>\n

Despite the initial conversion under Byzantine pressure, Boris was far from content with being a mere vassal of Constantinople. He still harboured concerns about Byzantine political and ecclesiastical dominance. In 866, he sent a delegation to Pope Nicholas I in Rome, presenting a comprehensive list of 106 questions ranging from theological doctrines to practical matters of church organisation and daily life. This was a brilliant manoeuvre. By appealing to Rome, Boris reopened the question of Bulgaria’s ecclesiastical allegiance, creating a powerful bargaining chip against Constantinople. He essentially played the two Christian powers against each other, seeking to secure the best possible terms for an independent Bulgarian Church. The Pope, eager to expand his influence, readily responded, sending two bishops to Bulgaria. This move significantly escalated tensions between Rome and Constantinople, contributing to the growing schism between the Eastern and Western Churches.<\/p>\n

The Return to Constantinople and the Autocephalous Church<\/h3>\n

The Roman presence<\/a> in Bulgaria, however, proved short-lived. The Byzantine Patriarch Photios, outraged by the Pope’s encroachment into what he considered his ecclesiastical territory, vigorously condemned the Roman mission. Boris, ever the pragmatist, carefully weighed his options. While Rome offered the prestige of the Papacy, Constantinople was geographically closer, culturally more aligned with the existing Slavic populations, and importantly, offered the prospect of an autocephalous<\/em> (self-governing) church. The Byzantine model of church organisation allowed for national churches with their own patriarchs, a prospect far more appealing than being a mere diocese under Roman authority. In 870, at the Fourth Council of Constantinople, Boris’s envoys successfully negotiated the establishment of an autocephalous Bulgarian Archbishopric. This was a monumental achievement: it secured Bulgaria’s religious independence and solidified its place within the Orthodox Christian world, but critically, it ensured that the Bulgarian Church would not be directly subservient to either Rome or Constantinople.<\/p>\n

Internal Resistance and the Consolidation of Christianity<\/h2>\n

The adoption of Christianity, while a strategic triumph for Boris I, was not without significant internal challenges. The Old Bulgarian elite, deeply rooted in pagan traditions, viewed the new religion with suspicion and saw it as a threat to their power and cultural identity. Boris faced a delicate task of converting a largely pagan populace and suppressing a powerful pagan aristocracy.<\/p>\n

The Pagan Reaction and Its Suppression<\/h3>\n

The most significant internal resistance came from the traditional Bulgarian aristocracy<\/a>, the boyars, who clung to their pagan beliefs and saw them as integral to their status and influence. They viewed the Christianisation as a foreign imposition that undermined their ancestral customs and the very fabric of Bulgarian society. In 865, shortly after Boris’s conversion, a major pagan rebellion erupted. The rebels marched on the capital, Pliska, aiming to overthrow Boris and restore the old religion. Boris, however, acted decisively and ruthlessly. He crushed the rebellion, executing 52 prominent boyars and their families. This brutal suppression sent a clear message: there would be no turning back from Christianity. It demonstrated Boris’s absolute commitment to the new faith and his willingness to use force to ensure its establishment.<\/p>\n

Replacing Pagan Rituals and Structures<\/h3>\n

Beyond military suppression, Boris embarked on a systematic campaign to replace pagan institutions with Christian ones. Pagan temples were destroyed or converted into churches. Priests and shamans were replaced by Christian clergy, initially drawn from Byzantine missionary efforts but increasingly trained domestically. The ancient Slavic rituals and festivals were gradually supplanted by Christian holidays and practices. This process was not instantaneous, and elements of paganism persisted, often syncretically blended with Christian beliefs, particularly in rural areas. However, the official and institutional support for Christianity ensured its eventual triumph.<\/p>\n

The Role of the Clergy and Missionary Work<\/h3>\n

The establishment of a Christian clergy was crucial. Initially, Byzantine missionaries played a significant role in evangelising the Bulgarian population. However, Boris was keen to develop a native clergy to further solidify Bulgarian ecclesiastical independence. He encouraged the training of Bulgarian priests and the establishment of monasteries, which became centres of learning and religious dissemination. The translation of liturgical texts into Old Church Slavonic, facilitated by the arrival of the disciples of Cyril and Methodius, would prove to be a game-changer, making Christianity accessible to the broader population in their own language.<\/p>\n

The Arrival of the Disciples of Cyril and Methodius<\/h2>\n

A truly transformative moment in Bulgaria’s Christianisation, and indeed in its cultural development<\/a>, was the arrival of the disciples of Saints Cyril and Methodius. These scholars, expelled from Moravia after the death of Methodius, found refuge in Bulgaria under Boris I, who recognised the immense potential of their work.<\/p>\n

The Moravian Mission and Its Failure<\/h3>\n

Saints Cyril and Methodius, often called the “Apostles to the Slavs,” had developed the Glagolitic alphabet and translated liturgical texts into Old Church Slavonic (also known as Old Bulgarian) for their mission to Great Moravia. Their aim was to allow the Slavs to worship and learn in their vernacular language, rather than Latin or Greek, which were incomprehensible to the common people. This met with significant opposition from the German clergy, who insisted on Latin liturgy. After Methodius’s death, his disciples, including Clement, Naum, and Angelarius, were persecuted and eventually expelled from Moravia.<\/p>\n

Boris’s Strategic Welcome<\/h3>\n

Boris I, with his keen foresight, immediately grasped the significance of their work. He welcomed them warmly, providing them with land, resources, and encouragement to continue their missionary and educational activities. This was a stroke of genius. While Bulgaria had adopted Christianity, the liturgical language was still Greek, limiting its accessibility to the general populace. The arrival of the Cyrillo-Methodian disciples offered a solution: a vernacular liturgy and a written language specifically for the Slavs. This move cemented Bulgaria’s distinct cultural identity within the Orthodox world.<\/p>\n

The Development of Old Church Slavonic and Cyrillic<\/h3>\n

Under Boris’s patronage<\/a>, the disciples established important literary and educational centres, notably in Pliska and later Ohrid (under Clement) and Preslav (under Naum). Here, they refined the Glagolitic alphabet and, crucially, developed the Cyrillic alphabet, which was simpler and more widely adopted. They translated numerous religious texts \u2013 gospels, psalters, liturgical books, and patristic writings \u2013 into Old Church Slavonic. This monumental effort not only made Christianity comprehensible to the Bulgarian people but also laid the foundations for a rich Slavic literary tradition. Old Church Slavonic became the official language of the Bulgarian Church and administration, fostering a sense of national unity and cultural distinctiveness. It also had a profound impact on other Slavic nations, becoming the liturgical language for many Orthodox Slavs.<\/p>\n

The Lasting Legacy of Boris I and the Christianisation<\/h2>\n

<\/p>\n\n\n\n\n\n\n\n\n\n\n
Year<\/th>\nEvent<\/th>\nSignificance<\/th>\nImpact on Bulgaria<\/th>\n<\/tr>\n<\/thead>\n
852<\/td>\nBoris I ascends to the throne<\/td>\nBeginning of reign<\/td>\nSet the stage for Christianisation and state consolidation<\/td>\n<\/tr>\n
864<\/td>\nOfficial adoption of Christianity<\/td>\nBoris I converts to Christianity and declares it the state religion<\/td>\nUnified the Bulgarian people under one religion, strengthened ties with Byzantine Empire<\/td>\n<\/tr>\n
865<\/td>\nMass baptism of Bulgarians<\/td>\nLarge-scale Christianisation of the population<\/td>\nReduced pagan practices, increased cultural and political integration with Christian Europe<\/td>\n<\/tr>\n
870<\/td>\nRecognition of Bulgarian Church’s autonomy<\/td>\nByzantine Empire and the Pope acknowledge Bulgarian Church’s status<\/td>\nEstablished an independent Bulgarian Orthodox Church<\/a>, enhancing national identity<\/td>\n<\/tr>\n
893<\/td>\nCreation of the Cyrillic alphabet<\/td>\nDevelopment of a Slavic script for liturgical and administrative use<\/td>\nPromoted literacy and cultural development, strengthened Bulgarian cultural heritage<\/td>\n<\/tr>\n
907<\/td>\nEnd of Boris I’s reign<\/td>\nAbdication in favour of his son Simeon I<\/td>\nLeft a Christianised and culturally unified Bulgaria<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The Christianisation of Bulgaria under Boris I was a watershed moment, not merely a religious conversion but a comprehensive reorientation of the Bulgarian state and society. Its impact reverberated through centuries, shaping Bulgaria’s cultural identity, political trajectory, and its role in the broader European context.<\/p>\n

Cultural and Political Integration into Europe<\/h3>\n

By adopting Christianity, Bulgaria shed its isolation and became an integral part of the European family of nations. It gained diplomatic recognition and entered into a new sphere of cultural exchange, particularly with the Byzantine Empire. Christianisation provided a common ideological framework, facilitating interactions with other Christian states and elevating Bulgaria’s standing on the international stage. It also allowed Bulgaria to absorb elements of sophisticated Byzantine administration, law, and art, which contributed to its own unique cultural blossoming.<\/p>\n

The Foundation of the Bulgarian Golden Age<\/h3>\n

The establishment of an independent Bulgarian Church and the adoption of Old Church Slavonic as the liturgical and literary language provided the essential prerequisites for the First Bulgarian Empire’s “Golden Age” under Boris’s son, Simeon the Great. This period saw an explosion of literary, artistic, and architectural activity. The Preslav and Ohrid Literary Schools, founded by the disciples of Cyril and Methodius, became vibrant centres of learning, producing original works and translations that enriched Slavic culture profoundly. The Cyrillic alphabet, developed in Bulgaria, went on to be adopted by numerous other Slavic peoples, including the Serbs, Russians, and Ukrainians, becoming a cornerstone of Orthodox Slavic identity.<\/p>\n

Shaping Bulgarian National Identity<\/h3>\n

Perhaps the most profound legacy of Boris I’s actions was the forging of a distinct Bulgarian national identity. The shared Christian faith and the use of a common Slavic liturgical language unified the diverse ethnic groups within the Bulgarian state \u2013 Bulgars, Slavs, and remnants of other tribes \u2013 into a cohesive whole. It provided a powerful sense of common purpose and belonging, differentiating Bulgarians from both their pagan ancestors and their Greek-speaking Byzantine neighbours. The autocephalous church, with its Slavic liturgy, became a bulwark of national self-determination, fostering a sense of pride and cultural independence that has endured through centuries, even during periods of foreign domination. Boris I’s strategic brilliance in navigating the religious and political currents of his time undeniably laid the bedrock for a powerful and culturally rich medieval Bulgarian state.<\/p>\n

<\/p>\n

FAQs<\/h2>\n

<\/p>\n

Who was Boris I and why is he significant in Bulgarian history?<\/h3>\n

Boris I, also known as Boris-Mikhail, was the ruler of the First Bulgarian Empire from 852 to 889. He is significant in Bulgarian history for his role in the Christianisation of Bulgaria and for establishing Christianity as the state religion.<\/p>\n

What was the process of Christianisation in Bulgaria under Boris I?<\/h3>\n

Christianisation in Bulgaria under Boris I involved a series of events, including the baptism of Boris I and his nobles, the conversion of the Bulgarian people to Christianity, and the establishment of churches and monasteries throughout the empire.<\/p>\n

How did Boris I’s conversion to Christianity impact Bulgaria?<\/h3>\n

Boris I’s conversion to Christianity had a profound impact on Bulgaria, leading to the adoption of Christianity as the state religion, the integration of Bulgaria into the Byzantine cultural sphere, and the strengthening of diplomatic ties with other Christian nations.<\/p>\n

What role did the Byzantine Empire play in the Christianisation of Bulgaria?<\/h3>\n

The Byzantine Empire played a significant role in the Christianisation of Bulgaria by providing missionaries, clergy, and religious texts to assist in the conversion process. The Byzantine Emperor also played a key role in negotiating the terms of Bulgaria’s conversion to Christianity.<\/p>\n

How did the Christianisation of Bulgaria under Boris I affect the country’s cultural and political landscape?<\/h3>\n

The Christianisation of Bulgaria under Boris I led to the adoption of Byzantine culture and traditions, the establishment of a unified Bulgarian identity based on Christianity, and the strengthening of Bulgaria’s position as a Christian nation in the region.<\/p>\n","protected":false},"excerpt":{"rendered":"

Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn’t merely […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"yoast_wpseo_title":["Boris I and the Christianisation of Bulgaria\r"],"yoast_wpseo_metadesc":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"rank_math_title":["Boris I and the Christianisation of Bulgaria\r"],"_rank_math_title":["Boris I and the Christianisation of Bulgaria\r"],"rank_math_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_rank_math_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"aioseo_title":["Boris I and the Christianisation of Bulgaria\r"],"_aioseo_title":["Boris I and the Christianisation of Bulgaria\r"],"aioseo_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_aioseo_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"seopress_titles_title":["Boris I and the Christianisation of Bulgaria\r"],"_seopress_titles_title":["Boris I and the Christianisation of Bulgaria\r"],"seopress_titles_desc":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_seopress_titles_desc":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"genesis_title":["Boris I and the Christianisation of Bulgaria\r"],"_genesis_title":["Boris I and the Christianisation of Bulgaria\r"],"genesis_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_genesis_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"sq_title":["Boris I and the Christianisation of Bulgaria\r"],"_sq_title":["Boris I and the Christianisation of Bulgaria\r"],"sq_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_sq_description":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"wds_title":["Boris I and the Christianisation of Bulgaria\r"],"_wds_title":["Boris I and the Christianisation of Bulgaria\r"],"wds_metadesc":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"_wds_metadesc":["Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a.."],"linksy_active_local_suggestions":["a:2:{s:7:\"link-in\";b:0;s:8:\"link-out\";b:1;}"]},"categories":[12],"tags":[],"class_list":["post-29511","post","type-post","status-publish","format-standard","hentry","category-history"],"yoast_head":"\nBoris I and the Christianisation of Bulgaria<\/title>\n<meta name=\"description\" content=\"Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Boris I and the Christianisation of Bulgaria\" \/>\n<meta property=\"og:description\" content=\"Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a..\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/\" \/>\n<meta property=\"og:site_name\" content=\"Earth Site Education\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Earth-Site-Education\/61556359432402\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-30T14:33:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-30T15:20:32+00:00\" \/>\n<meta name=\"author\" content=\"Earth Site Education\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Earth Site Education\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Boris I and the Christianisation of Bulgaria","description":"Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a..","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/","og_locale":"en_GB","og_type":"article","og_title":"Boris I and the Christianisation of Bulgaria","og_description":"Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a..","og_url":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/","og_site_name":"Earth Site Education","article_publisher":"https:\/\/www.facebook.com\/people\/Earth-Site-Education\/61556359432402\/","article_published_time":"2026-09-30T14:33:45+00:00","article_modified_time":"2026-09-30T15:20:32+00:00","author":"Earth Site Education","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Earth Site Education","Estimated reading time":"12 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/#article","isPartOf":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/"},"author":{"name":"Earth Site Education","@id":"https:\/\/www.earth-site.co.uk\/Education\/#\/schema\/person\/f028ca91f88fe2e9e578f24056a12819"},"headline":"Boris I and the Christianisation of Bulgaria","datePublished":"2026-09-30T14:33:45+00:00","dateModified":"2026-09-30T15:20:32+00:00","mainEntityOfPage":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/"},"wordCount":2519,"commentCount":0,"publisher":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/#organization"},"articleSection":["History"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/","url":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/","name":"Boris I and the Christianisation of Bulgaria","isPartOf":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/#website"},"datePublished":"2026-09-30T14:33:45+00:00","dateModified":"2026-09-30T15:20:32+00:00","description":"Boris I, a pivotal figure in Bulgarian history, is primarily remembered for orchestrating the Christianisation of Bulgaria. This wasn't merely a..","breadcrumb":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.earth-site.co.uk\/Education\/boris-i-and-the-christianisation-of-bulgaria\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.earth-site.co.uk\/Education\/"},{"@type":"ListItem","position":2,"name":"Boris I and the Christianisation of Bulgaria"}]},{"@type":"WebSite","@id":"https:\/\/www.earth-site.co.uk\/Education\/#website","url":"https:\/\/www.earth-site.co.uk\/Education\/","name":"Earth Site Education","description":"","publisher":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.earth-site.co.uk\/Education\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.earth-site.co.uk\/Education\/#organization","name":"Earth Site Education","url":"https:\/\/www.earth-site.co.uk\/Education\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.earth-site.co.uk\/Education\/#\/schema\/logo\/image\/","url":"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2024\/06\/LogoYouTube.png","contentUrl":"https:\/\/www.earth-site.co.uk\/Education\/wp-content\/uploads\/2024\/06\/LogoYouTube.png","width":800,"height":800,"caption":"Earth Site Education"},"image":{"@id":"https:\/\/www.earth-site.co.uk\/Education\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/people\/Earth-Site-Education\/61556359432402\/"]},{"@type":"Person","@id":"https:\/\/www.earth-site.co.uk\/Education\/#\/schema\/person\/f028ca91f88fe2e9e578f24056a12819","name":"Earth Site Education","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/93795f5d72a690673db58fc60779e6bb369542d93350bb5432476175ff04c468?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93795f5d72a690673db58fc60779e6bb369542d93350bb5432476175ff04c468?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93795f5d72a690673db58fc60779e6bb369542d93350bb5432476175ff04c468?s=96&d=mm&r=g","caption":"Earth Site Education"},"url":"https:\/\/www.earth-site.co.uk\/Education\/author\/keirearthsiteadmin-7\/"}]}},"_links":{"self":[{"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/posts\/29511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/comments?post=29511"}],"version-history":[{"count":2,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/posts\/29511\/revisions"}],"predecessor-version":[{"id":29515,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/posts\/29511\/revisions\/29515"}],"wp:attachment":[{"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/media?parent=29511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/categories?post=29511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.earth-site.co.uk\/Education\/wp-json\/wp\/v2\/tags?post=29511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}