Events, Verisoph

c. 540 The reconquest of Italy from the Goths 0 cit. Belisarius and later the eunuch general Narses fought a long war to take Italy from the Ostrogoths, capturing Ravenna in 540 and finishing the struggle by 554. The campaigns restored imperial rule but wrecked the peninsula, ruining cities and starving the countryside. The exhausted gains were largely lost within a generation to the invading Lombards. politics / war ●●

541 to 767 First plague pandemic wikidata 0 cit. no story series of pandemics (541-767 c.e.) ●●●

541 The Plague of Justinian sweeps the empire 0 cit. A pandemic, now generally identified as bubonic plague, reached Constantinople and killed a large share of its people before spreading across the Mediterranean. Ancient writers give enormous death tolls that modern scholars treat with caution, but the toll was clearly severe. It drained the manpower and taxes Justinian needed and helped ensure his reconquests could not hold. science / society ●●●

c. 550 The island of saints and scholars 0 cit. From the sixth century a network of Irish monasteries such as Clonmacnoise, Glendalough and Iona became centres of learning and manuscript work. Irish monks like Columba and Columbanus carried Latin and Christian scholarship back into a post-Roman Europe, which gave Ireland its reputation as an island of saints and scholars. The claim that Irish monks singlehandedly saved Western civilisation is a popular framing that historians treat as an overstatement. culture / religion ●●

c. 552 Buddhism reaches Japan 0 cit. The king of Baekje in Korea sends Buddhist images and scriptures to the Japanese court, the traditional date of Buddhism's arrival in Japan. Some sources place the event in 538. The new religion soon wins imperial patronage. religion ●●●

14 November 565 Justinian dies with the empire overstretched 0 cit. Justinian died having reconquered much of the west, but the effort left the treasury empty and the borders thinly held. His successors inherited a state exhausted by war, plague, and taxation. Within decades most of the western gains slipped away, and the empire turned to defending its Greek and Anatolian core. politics ●●

c. 578 Founding of Kongo Gumi 0 cit. Prince Shotoku brings builders from Baekje to construct the Shitenno-ji temple, and the Kongo family firm they establish becomes the world's oldest documented company. It builds Buddhist temples in Japan for over 1,400 years. culture / economy / religion ●●●

589 Sui reunification of China 0 cit. The Sui dynasty conquered the southern Chen in 589 CE, ending nearly three centuries of division. It rebuilt centralized government across a reunified empire. politics / war ●●●●●

c. 589 to c. 1038 The Geonim lead the Babylonian academies 0 cit. The Geonim, heads of the academies of Sura and Pumbedita, served as the leading legal authorities of the Jewish world for centuries. Through written responsa to distant communities they turned the Talmud into a living, applied system of law. religion / society ●●

3 September 590 Gregory the Great becomes pope 0 cit. Gregory I takes office and turns the papacy into a governing institution, administering Rome, negotiating with kings, and sending missionaries to England. His pontificate is widely seen as the moment the medieval papacy takes shape. politics / religion ●●●●

590 to 604 Gregory the Great and the papal state 0 cit. Pope Gregory I governed Rome and its lands as a de facto ruler, organizing defense, food supply and diplomacy as imperial authority faded in Italy. His pontificate expanded the practical and political reach of the papacy. politics / religion / society ●●●

c. 600 The stirrup 0 cit. Paired foot supports let a rider stay firmly seated and use weapons from horseback. The stirrup reshaped cavalry warfare across Asia and Europe. technology / war ●●●

c. 600 Brigid the goddess passes into a Christian saint and Candlemas 0 cit. The Irish goddess Brigid and her festival Imbolc in early February shaded into the cult of Saint Brigid and the feast of Candlemas. The blending shows how a pagan figure could be reworked as a Christian one. culture / religion ●●

c. 600 Paganism lingers in the countryside 0 cit. For centuries after the cities converted, rural Europe kept the old festivals, charms, and holy wells. Both 'pagan' and 'heathen' (dweller on the heath) meant country folk, because the old ways survived longest in the fields. religion / society ●●

c. 600 The Wari expansion 0 cit. From its capital near modern Ayacucho, the Wari build an expansive state across much of highland Peru, marked by planned administrative centers and terraced farming. Many scholars see Wari roads and provincial administration as forerunners of methods the Inca later scaled up, though the relationship is debated. politics / society ●●

602 to 628 Byzantine-Sasanian War of 602-628 0 cit. no story The last and greatest Roman-Persian war sees Persia overrun Egypt and the Levant before Heraclius strikes back into the Persian heartland. Both empires emerge exhausted just before the Arab conquests. war ●●●●

605 Construction of the Grand Canal 0 cit. The Sui built a vast canal system linking the Yellow and Yangtze river regions. It moved grain and goods between north and south and became a backbone of the economy. economy / technology ●●●●●

605 China begins the imperial examination system 0 cit. The Sui dynasty introduced written civil service examinations around 605 AD to select officials by merit rather than birth. The system tied education directly to state power and lasted, with changes, until 1905. politics / society ●●●●

c. 605 China's imperial examination system takes shape 0 cit. Under the Sui dynasty China began selecting officials through written exams on the classics, the keju system. For over a thousand years it tied learning to state service and shaped East Asian attitudes to testing. culture / politics ●●●●

c. 610 Muhammad's first revelation 0 cit. Islamic tradition holds that Muhammad receives his first revelation from the angel Gabriel while meditating in a cave on Mount Hira. The revelations, continuing until his death, form the Quran and begin the religion of Islam. religion ●●●●●

c. 613 Early persecution of the first Muslims in Mecca 0 cit. Muhammad begins preaching publicly, calling for worship of one God and drawing early followers among the poor and the young. The ruling Quraysh, whose wealth is tied to the shrine's pilgrim trade, meet the message with mockery and pressure. Some Muslims flee to Christian Abyssinia to escape it. religion / society ●●

c. 615 Aksum shelters the first Muslim refugees 0 cit. According to Islamic tradition, early followers of the Prophet Muhammad fleeing persecution in Mecca were given refuge by the Christian king of Aksum, remembered in Arabic sources as the Negus, or Najashi. The event, called the first hijra, is honoured in Muslim memory as a moment of protection by a just Christian ruler. It is often cited as one reason early Islam did not treat Ethiopia as a land to be conquered. diplomacy / religion ●●

618 Founding of the Tang dynasty 0 cit. The Tang dynasty was founded in 618 CE after the Sui collapsed. It became one of the most powerful and cosmopolitan eras in Chinese history. politics ●●●●●

c. 618 Founding of the Tibetan Empire 0 cit. Songtsen Gampo united the Tibetan Plateau into a single empire. Tibet became a major power in Central Asia and adopted Buddhism during his reign. politics / religion ●●●●

621 The Tang kaiyuan tongbao 0 cit. The Tang dynasty issued the kaiyuan tongbao bronze coin, which set the standard for East Asian cash for centuries. Its weight became a basic unit in the Chinese system of measures. economy ●●●

c. 622 to c. 750 Early Muslim Conquests 0 cit. no story Arab armies united by Islam conquer the Sasanian Empire and strip Byzantium of Syria, Egypt, and North Africa, reaching Spain and Central Asia within a century. The conquests permanently reshape the religious and political map of the Old World. religion / war ●●●●●

c. 622 The Hijra 0 cit. Muhammad and his followers migrate from Mecca to Medina, founding the first Muslim community. The event marks year one of the Islamic calendar and the start of Islam's rise into a world religion and civilization. politics / religion ●●●●●

626 Reign of Emperor Taizong and the Zhenguan era 0 cit. Emperor Taizong presided over stable government, legal reform, and expansion. His reign is remembered as a model of good rule. politics ●●●●

c. 628 Treaty of Hudaybiyyah 0 cit. Truce between Muhammad, representing the Muslim community of Medina, and the Quraysh of Mecca. It paused hostilities, allowed a later pilgrimage, and proved a turning point in the rise of Islam. diplomacy / politics / religion ●●●

628 Brahmagupta gives zero the rules of a number 0 cit. Brahmagupta was the first to treat zero as a number in its own right and to state rules for arithmetic with it and with negative numbers, which he described as debts. His attempt to define division by zero was flawed, a problem that would trouble mathematics for centuries. Turning zero from an empty gap into a full number was one of the great conceptual leaps in the history of counting. science ●●●●

628 Heraclius breaks the Persian Empire 0 cit. After the Sasanian Persians overran Syria, Egypt, and Jerusalem, the emperor Heraclius struck deep into Persia and won a crushing victory, ending a war that had raged since 602. He recovered the True Cross and restored the eastern provinces. But both empires were spent by the long fight, and neither was ready for the storm about to come out of Arabia. religion / war ●●

629 Xuanzang's journey to India 0 cit. The monk Xuanzang traveled to India from 629 and returned with hundreds of Buddhist texts. His translations and travelogue greatly advanced Chinese Buddhism. exploration / religion ●●●●

January 630 Conquest of Mecca 0 cit. Muhammad returns to Mecca at the head of a large force and takes the city with little fighting. He clears the Kaaba of its idols and rededicates it to the worship of one God. Most of the Quraysh accept Islam, and Arabia's tribes increasingly align with Medina. politics / religion / war ●●●

631 Battle of Wogastisburg wikidata 0 cit. no story 631 battle ●●

8 June 632 Death of Muhammad and the succession crisis 0 cit. Muhammad dies in Medina without a universally accepted successor. Abu Bakr becomes the first caliph, but disagreement over rightful leadership plants the seed of the later Sunni-Shia division. politics / religion ●●●●

632 Founding of the Rashidun Caliphate 0 cit. After the death of Muhammad, the first caliphs led a rapid expansion of the early Islamic state. Within decades it conquered Persia and much of the Byzantine East. politics / religion ●●●●●

c. 636 to c. 651 Muslim conquest of Sasanian Persia 0 cit. Arab armies defeat the Sasanian Empire in a series of battles beginning at al-Qadisiyyah, and by 651 the last Sasanian ruler is dead. Persia passes into Muslim rule, and over following centuries most Persians adopt Islam. Persian scholars and administrators go on to shape Islamic civilization deeply. politics / religion / war ●●●

August 636 The Arab conquests strip away the eastern provinces 0 cit. Armies of the new Islamic caliphate shattered a Byzantine field army at the Yarmuk in 636 and swept through Syria, Palestine, and Egypt within a decade. The empire lost its richest provinces, its grain, and Jerusalem itself, shrinking to Anatolia, the Balkans, and a string of coasts. The blow reshaped Byzantium into a smaller, embattled, and more thoroughly Greek Orthodox state. politics / religion / war ●●●

c. 640 Byzantine theme system established 0 cit. Facing Arab and Slavic invasions, the Byzantine Empire reorganized its territory into military provinces called themes, each under a general who commanded local troops settled on land in exchange for hereditary military service. This let the shrunken empire field defensive armies without the cost of a fully professional standing force. The theme system remained the backbone of Byzantine defense for several centuries. politics / war ●●

c. 641 Buddhism established in Tibet 0 cit. Tradition links Tibet's conversion to King Songtsen Gampo and his Buddhist wives from Nepal and China. Later kings invite Indian masters such as Padmasambhava, and Buddhism becomes the core of Tibetan civilization. religion ●●●

c. 645 Arab conquest brings Armenia under the caliphate 0 cit. Arab armies overrun Armenia in the mid-seventh century, and it becomes a province of the caliphate under a resident governor. Armenians keep their Christian faith and much local autonomy through noble houses called nakharars, but pay tribute and periodically revolt. Caliphal control weakens over the following two centuries. politics / religion / war ●●

c. 647 to c. 709 Arab conquest of North Africa 0 cit. Arab forces push west from Egypt across the Maghreb, founding the garrison city of Kairouan around 670 as a base. By the early 700s Muslim rule reaches the Atlantic, and Berber peoples convert in large numbers. North Africa becomes the launch point for the crossing into Spain. politics / religion / war ●●

c. 650 Uthman standardizes the Quran 0 cit. Caliph Uthman commissions a standard written text of the Quran and orders variant copies destroyed. The Uthmanic codex becomes the basis of the Quranic text used across the Muslim world. culture / religion ●●●●

c. 650 Rise of the Srivijaya Empire 0 cit. Srivijaya emerged as a maritime power controlling the straits of Southeast Asia. It dominated trade between India and China and spread Buddhism across the region. economy / religion ●●●●

651 Fall of the Sasanian Empire 0 cit. In 651 CE the last Sasanian king, Yazdegerd III, was killed while fleeing the Arab conquest. The fall ended the Persian empire and brought Iran under Muslim rule. politics / religion / war ●●●●

651 The Arab conquest ends Zoroastrian Persia 0 cit. The Muslim Arab conquest topples the Sassanid empire, and Zoroastrianism slowly gives way to Islam in its homeland. Over the following centuries many of the faithful would flee eastward to India. religion / war ●●●

661 Founding of the Umayyad Caliphate 0 cit. Muawiya I established the Umayyad dynasty with its capital at Damascus. The caliphate grew into one of the largest empires in history, reaching Spain and Central Asia. politics / religion ●●●●●

661 Umayyad Caliphate established 0 cit. After the civil war that followed the killing of Caliph Ali, Muawiya founds the Umayyad dynasty and moves the capital to Damascus. The caliphate becomes a hereditary empire stretching from Spain to Central Asia. The dispute over Ali's line hardens the divide between Sunni and Shia Muslims. politics / religion ●●●

668 Unification of Korea under Silla 0 cit. Silla defeated Goguryeo and Baekje to unify most of the Korean peninsula. The Unified Silla period brought a flowering of Buddhist art and culture. politics / war ●●●●

10 October 680 Battle of Karbala 0 cit. Husayn ibn Ali, grandson of Muhammad, is killed with his small band by Umayyad forces. His martyrdom becomes the defining event of Shia identity and hardens the Sunni-Shia split. religion / war ●●●●

690 Reign of Empress Wu Zetian 0 cit. Wu Zetian declared herself emperor in 690 CE, the only woman to rule China in her own name. She promoted officials by merit and patronized Buddhism. politics ●●●●

c. 696 Abd al-Malik reforms the dinar and dirham 0 cit. The Umayyad caliph Abd al-Malik issued a purely Islamic coinage, the gold dinar and silver dirham, bearing inscriptions rather than images. These coins circulated widely across the Islamic world and beyond. economy / politics / religion ●●●●

c. 700 The windmill 0 cit. Vertical sail mills used wind to grind grain and pump water. Windmills gave regions without fast rivers a reliable source of mechanical power. science / technology ●●●

c. 700 Invention of woodblock printing 0 cit. Chinese craftsmen developed woodblock printing during the Tang, allowing texts and images to be reproduced. The Diamond Sutra of 868 CE is the oldest surviving dated printed book. culture / technology ●●●●

c. 700 Founding of the Kanem Empire 0 cit. The Kanem Empire formed around Lake Chad and controlled key trans-Saharan trade routes. It later merged with Bornu to form a long-lasting state. economy / politics ●●●

c. 700 The trans-Saharan slave trade 0 cit. For over a thousand years caravans carried enslaved Africans north across the Sahara to the Mediterranean and Middle East. Estimates suggest several million people were moved along these desert routes. economy / society ●●●●

c. 700 The Arab and Indian Ocean slave trade 0 cit. An eastern trade carried enslaved Africans across the Red Sea and Indian Ocean to Arabia, Persia and India. Older and longer lasting than the Atlantic trade, it moved millions of people over more than a millennium. economy / society ●●●●

c. 700 The Irminsul and continental Germanic paganism 0 cit. The continental Germanic peoples, the Saxons and their neighbors, worship at sacred pillars such as the Irminsul, a great column upholding the heavens, and in holy groves. Their gods were the southern cousins of the Norse Aesir. culture / religion ●●

c. 700 The Aesir, the Vanir, and the world-tree Yggdrasil 0 cit. Pre-Christian Scandinavians worship the Aesir, led by Odin, Thor, and Frigg, and the Vanir of fertility, in a cosmos held together by the world-ash Yggdrasil and its nine worlds. Their myths would outlast their temples by a thousand years. culture / religion ●●●

c. 700 Farming and ironworking in the highlands 0 cit. Bantu-speaking communities built settled economies on grain, bananas, and root crops, and on the smelting and forging of iron for hoes, knives, and spears. Smiths held a special, sometimes feared, standing, and iron tools and weapons moved through trade to herding neighbors who did not smelt. Groups such as the Kikuyu, Kamba, and Kisii were known for their metalwork. The craft spread with Bantu settlement across the first millennium CE. economy / technology ●●

711 Fall of the Visigothic Kingdom 0 cit. In 711 CE an Umayyad army defeated and killed the Visigothic king Roderic near the Guadalete River. Muslim forces swept across most of the Iberian Peninsula, ending the Visigothic kingdom. politics / religion / war ●●●

711 Muslim conquest of Hispania 0 cit. A largely Berber army under Tariq ibn Ziyad crosses from North Africa and defeats the Visigoths, bringing most of the Iberian Peninsula under Muslim rule within a few years. The region, called al-Andalus, becomes a center of learning and religious mixing for centuries. Muslim rule in parts of Spain lasts until 1492. politics / religion / war ●●●

711 Muhammad bin Qasim's conquest of Sindh 0 cit. An Umayyad army under Muhammad bin Qasim conquers Sindh in the Indus valley, the first lasting Muslim foothold in the Indian subcontinent. It opens the long history of Islam in South Asia. Larger Muslim states there follow with the Delhi Sultanate centuries later. politics / religion / war ●●

711 Muslim conquest of Iberia opens a new era for Jews 0 cit. Arab and Berber armies overthrow the Visigothic kingdom, whose late kings had persecuted and tried to forcibly baptize the Jews. Under Muslim rule Jews were tolerated as a protected but subordinate people, and their conditions improved sharply. This opening set the stage for centuries of Jewish life in the land they called Sepharad. politics / religion / war ●●●

712 Kojiki compiled, recording Shinto tradition 0 cit. The Japanese court compiles the Kojiki, followed by the Nihon Shoki in 720, recording the myths of the kami and the divine descent of the imperial line. The chronicles give Shinto its first written formalization. culture / religion ●●●

717 Greek fire saves Constantinople 0 cit. An Umayyad army and fleet besieged Constantinople for a year, aiming to end the empire, but the great walls and a secret incendiary weapon held them off. This 'Greek fire', sprayed from ships and burning even on water, became the empire's most feared weapon; its exact recipe was a guarded secret and is still debated. The failed siege blunted the Arab advance into Europe and let Byzantium endure. technology / war ●●

c. 718 to c. 1492 Reconquista 0 cit. no story Christian kingdoms gradually reconquer Muslim-ruled Iberia over nearly eight centuries, ending with the fall of Granada in 1492. The struggle forges the kingdoms of Spain and Portugal. religion / war ●●●●

c. 725 Easter carries the name of a goddess through Bede 0 cit. The monk Bede wrote that the English word Easter came from Eostre, a spring goddess whose month gave the festival its name. The German Ostern and English Easter still preserve the old name. culture / religion ●●

725 Bede records the goddess Eostre 0 cit. The English monk Bede writes that the month of Easter was named for Eostre, a Germanic goddess of spring. English and German are almost the only languages that name the festival for her instead of for Passover, the one genuine pagan thread in the holiday's name. culture / religion ●●●

c. 726 The Iconoclasm controversy erupts 0 cit. Emperor Leo III moved against religious images, and for over a century the empire tore itself apart over whether icons were holy aids or forbidden idols. Iconoclasts smashed and whitewashed sacred art while iconodules defended it, and the quarrel deepened the rift with Rome. The dispute finally ended in 843 with the restoration of the icons, remembered in Orthodoxy as the Triumph of Orthodoxy. culture / politics / religion ●●

c. 750 to c. 900 The four Sunni schools of law take shape 0 cit. The legal traditions of Abu Hanifa, Malik, al-Shafii, and Ibn Hanbal crystallize into the four madhhabs of Sunni jurisprudence. Together they define how Sunni Muslims interpret Islamic law to this day. culture / religion ●●●

750 Fall of the Umayyad Caliphate 0 cit. In 750 CE the Abbasid revolution defeated the Umayyad army at the Battle of the Zab and overthrew the ruling dynasty. The Abbasids massacred the Umayyad family and moved the center of the caliphate eastward. politics / religion / war ●●●●

c. 750 Golden age of Tang poetry 0 cit. Poets such as Li Bai and Du Fu produced works regarded as the peak of Chinese verse. Their poems remain central to Chinese literary culture. culture ●●●

750 Founding of the Abbasid Caliphate 0 cit. The Abbasids overthrew the Umayyads and moved the center of the Islamic world to Baghdad. Their early rule is associated with a flourishing of science and scholarship. religion / science ●●●●●

750 Abbasid Revolution 0 cit. The Abbasids overthrow the Umayyad dynasty and found a new caliphate, soon moving the capital toward Iraq. The shift opens Islam's leadership to non-Arab Muslims, especially Persians. It sets the stage for the flowering of learning known as the Islamic Golden Age. politics / religion ●●●

December 755 to 763 An Lushan Rebellion 0 cit. General An Lushan revolts against the Tang dynasty, seizing both capitals in a war that kills or displaces tens of millions. The Tang survive but never recover their former power. politics / war ●●●●

756 Pepin's Donation creates the Papal States 0 cit. The Frankish king Pepin the Short defeated the Lombards and granted conquered lands in central Italy to the pope. This Donation of Pepin created the Papal States, a territory the popes would rule for over a thousand years. politics / religion / war ●●●●

756 Papal States as a theocratic realm 0 cit. The pope ruled a band of territory in central Italy as both spiritual head and temporal prince for over a thousand years. It was a leading example of religious and political authority held by one office. politics / religion ●●●

772 to 804 Saxon Wars 0 cit. no story Charlemagne fights a three-decade campaign to conquer and forcibly Christianize the Saxons. The wars extend Frankish power across Germany. religion / war ●●●

772 to 804 Charlemagne forces the Saxons to convert 0 cit. Charlemagne cuts down the Irminsul and wages decades of war to convert the pagan Saxons by the sword, including the massacre of thousands at Verden in 782. The old Germanic religion was stamped out on the continent centuries before it fell in the Norse north. religion / war ●●●

c. 780 Islam reaches the East African coast 0 cit. Islam arrived on the coast through Indian Ocean trade from about the eighth century, and early mosques such as the one excavated at Shanga in the Lamu archipelago show Muslim worship taking root among coastal communities. The faith spread first among townspeople tied to the ocean trade rather than by conquest. Over time the coast became firmly Muslim while the interior kept its older religions. The earliest dates come from archaeology, so they are approximate. culture / religion ●●●

c. 789 Cathedral and monastic schools spread in medieval Europe 0 cit. Charlemagne's Admonitio generalis of 789 pushed monasteries and cathedrals to run schools and teach clergy to read. These schools preserved literacy and Latin learning through the early Middle Ages and later grew into universities. culture / religion ●●●

c. 793 to c. 1066 Viking Invasions of Europe 0 cit. no story Scandinavian raiders and armies attack and settle across the British Isles, Francia, and beyond for nearly three centuries. The Viking age founds new states from Normandy to the Danelaw and Kievan Rus. exploration / war ●●●●

June 793 The Lindisfarne raid opens the Viking Age 0 cit. Norse raiders sack the monastery of Lindisfarne off the English coast, the shock that opened the Viking Age. For nearly three centuries Norse seafarers raided, traded, and settled from Russia to North America. religion / war ●●●●

c. 794 Carolingian monetary reform 0 cit. Charlemagne standardized coinage on the silver denier and set the accounting system of pounds, shillings, and pence. This framework shaped European money for a thousand years. economy / politics ●●●●

795 Viking raids and the founding of Dublin 0 cit. Viking raids on Irish monasteries began around 795 and grew into permanent settlement. Norse traders established a fortified base at Dublin by 841 and founded other port towns including Waterford, Wexford, Cork and Limerick. These were Ireland's first true towns, and they tied the island into wider North Atlantic trade networks. economy / war ●●

25 December 800 Coronation of Charlemagne 0 cit. Pope Leo III crowns Charlemagne emperor of the Romans on Christmas Day. The act revives the idea of a Western empire under papal blessing and shapes the politics of medieval Europe. politics / religion ●●●●

c. 800 Adi Shankara and Advaita Vedanta 0 cit. The philosopher Adi Shankara travels across India teaching Advaita Vedanta, the doctrine that the self and Brahman are one, and founds monastic centers. His synthesis deeply shapes later Hindu thought. culture / religion ●●●

c. 800 Gregorian chant takes shape 0 cit. Church singers across Europe settled on a shared body of plainchant for the Latin Mass. It became the main sacred music of the medieval West. culture / religion ●●●

c. 800 Tang flying cash 0 cit. Merchants in Tang China used paper certificates called feiqian, or flying cash, to transfer value over distance without carrying heavy strings of coins. These credit notes were a forerunner of true paper money. economy / technology ●●●

800 Founding of the Carolingian Empire 0 cit. Charlemagne was crowned emperor by the pope, uniting much of western and central Europe. His empire revived learning and administration across the former Roman lands. politics ●●●●

c. 800 The Donation of Constantine forgery debunked 0 cit. The Donation of Constantine was a document, later proven to be a forgery, that claimed Emperor Constantine had granted the popes authority over Rome and the Western Empire. It was produced around the eighth century and used for centuries to support papal claims to temporal power. politics / religion ●●●●

25 December 800 Pope Leo III crowns Charlemagne emperor 0 cit. On Christmas Day, Pope Leo III crowned Charlemagne emperor in Saint Peter's Basilica. The act asserted that imperial authority in the West could be conferred by the pope, tying the papacy to the making of emperors. politics / religion ●●●●●

c. 800 Odin leads the Norse gods as god of wisdom and war 0 cit. Odin, chief of the Norse Aesir, sought wisdom at the cost of an eye and hung on the world tree to win the runes. He gathered slain warriors to Valhalla for the final battle. religion / war ●●●

c. 800 Thor, the thunder god, guards the Norse world with his hammer 0 cit. Thor wielded the hammer Mjolnir against giants and was the most widely worshiped Norse god among common people. His name survives in the weekday Thursday. culture / religion ●●●

25 December 800 Charlemagne crowned Holy Roman Emperor 0 cit. The pope crowned the Frankish king Charlemagne as emperor, tying kingship to the blessing of the Church. The event fed the medieval idea that rulers held power by divine sanction. politics / religion ●●●

c. 800 The Emerald Tablet: 'as above, so below' 0 cit. A short cryptic text ascribed to Hermes, the Emerald Tablet, circulates in Arabic and later Latin, its maxim 'as above, so below' becoming the founding principle of alchemy and astrology. The heavens and the earth, the great and the small, were held to mirror one another. religion / science ●●●

25 December 800 The pope crowns Charlemagne: the Church makes emperors 0 cit. Pope Leo III crowns Charlemagne emperor, asserting that worldly rulers derive their legitimacy from the Church. The power to sanctify or deny a ruler's authority made organized religion a pillar that kings themselves had to bow to. pillar / politics / religion ●●●

c. 800 Carolingian Feudal Levy and Knight Service 0 cit. Under Charlemagne and his successors, military obligation became tied to landholding: nobles who held land from the king owed him mounted warriors, knights, in return. This system of feudal levies spread across medieval Europe and made war-fighting the specialized business of an armored aristocracy rather than the general citizenry. It set the pattern for European "who fights" arrangements for the next several centuries, until the rise of paid professional and mercenary forces. society / war ●●

c. 800 The House of Wisdom gathers Greek and Indian learning 0 cit. Under the Abbasid caliphs, scholars in Baghdad translated Greek, Persian, and Indian mathematical texts into Arabic and pushed them further. This effort preserved works of Euclid, Archimedes, and Apollonius that might otherwise have been lost, and it carried Indian numerals westward. The golden age of Islamic mathematics grew from this meeting of traditions. culture / religion / science ●●●