Events, Verisoph

907 Collapse of the Tang Dynasty 0 cit. In 907 CE the warlord Zhu Wen forced the last Tang emperor to abdicate, ending nearly three centuries of Tang rule. China broke apart into the rival regimes of the Five Dynasties and Ten Kingdoms. politics / war ●●●●

907 Collapse of the Tang and Five Dynasties 0 cit. The Tang dynasty fell in 907 CE, opening a period of fragmentation known as the Five Dynasties and Ten Kingdoms. Rival regimes competed until the Song reunified much of China. politics / war ●●●

909 Founding of the Fatimid Caliphate 0 cit. The Fatimids established a Shia caliphate in North Africa and later founded Cairo. At its peak it ruled from the Maghreb across Egypt to the Levant. politics / religion ●●●●

c. 911 Treaty of Saint-Clair-sur-Epte 0 cit. Agreement between King Charles the Simple of West Francia and the Viking leader Rollo, granting Rollo lands around Rouen in exchange for defense and baptism. It created what became the Duchy of Normandy. diplomacy / politics / war ●●●

933 Saadia Gaon defends reason in religion 0 cit. In the Book of Beliefs and Opinions, Saadia Gaon argued that reason and revelation agree and that the truths of faith can be shown by rational argument. Drawing on Islamic philosophy, he opened the medieval tradition of Jewish rationalism. religion / science ●●

c. 936 The Parsis carry the fire to India 0 cit. Zoroastrian refugees settle in India as the Parsis, keeping the faith alive for a thousand years. Their small community would later found great modern industrial houses such as Tata and Godrej, and produce figures from Freddie Mercury to Zubin Mehta. economy / religion ●●

August 955 Otto I defeats the Magyars at Lechfeld 0 cit. Otto I, king of the Germans, crushed a Magyar raiding army near Augsburg. The victory ended decades of steppe raids and made Otto the strongest ruler in the West. It set the stage for his claim to the imperial crown. politics / war ●●

960 Founding of the Song dynasty 0 cit. General Zhao Kuangyin founded the Song dynasty in 960 CE and reunified most of China. The Song brought economic growth, urbanization, and a flowering of science and culture. politics ●●●●●

c. 960 Hasdai ibn Shaprut, courtier of Cordoba 0 cit. Hasdai ibn Shaprut served the caliph Abd al-Rahman III as physician, diplomat, and customs official in Cordoba, then the largest city in western Europe. He used his position to patronize Hebrew scholarship and poetry, drawing scholars to al-Andalus. His career marks the start of what later writers called the Golden Age of Sephardic Jewry. culture / politics / science ●●●

c. 960 Dunash ben Labrat remakes Hebrew poetry 0 cit. The poet and grammarian Dunash ben Labrat adapted Arabic quantitative meter to Hebrew verse, giving Hebrew poetry a new music. Jewish poets in al-Andalus began writing not only sacred hymns but secular poems on wine, love, and friendship, in the style of their Arab neighbors. This fusion of Hebrew and Arabic culture defined the Golden Age. culture / science ●●

961 Ani becomes the Bagratid capital 0 cit. King Ashot III moves the Bagratid capital to Ani, which grows into a wealthy city on the Silk Road trade routes. Known as the city of a thousand and one churches, Ani is celebrated for its medieval Armenian architecture and may have held one hundred thousand people at its peak. Its ruins, now near the Turkey-Armenia border, are a UNESCO World Heritage site. culture / economy / religion ●●

962 Founding of the Holy Roman Empire 0 cit. Otto I was crowned emperor, linking the German kingship to the imperial title. The Holy Roman Empire remained a central institution in European politics for centuries. politics ●●●●

2 February 962 Otto I crowned Emperor, the empire's usual starting point 0 cit. Pope John XII crowned Otto I emperor in Rome, tying the German crown to the imperial title in a bond that lasted over 800 years. Most historians treat this coronation, rather than Charlemagne's, as the real beginning of the Holy Roman Empire. The state itself did not use the full name Sacrum Romanum Imperium until much later. diplomacy / politics / religion ●●●

4 April 970 Founding of al-Azhar 0 cit. The Fatimids begin building the al-Azhar mosque in their new capital of Cairo, completed in 972. It grows into one of the world's oldest centers of Islamic learning and, after Egypt's return to Sunnism, the leading authority of Sunni scholarship. culture / religion ●●●

c. 970 Al-Azhar is founded in Cairo 0 cit. The Fatimids built the mosque of al-Azhar around 970 and soon began teaching there. It became a leading center of Islamic learning and remains influential today. politics / religion ●●●

c. 970 The imperial church system binds bishops to the crown 0 cit. The Ottonian emperors leaned on bishops and abbots as royal officials, granting them lands and appointing them directly. Churchmen owed loyalty to the emperor and helped govern the realm. This close grip on the Church would soon collide with a reforming papacy. politics / religion ●●

c. 988 Christianization of Kievan Rus 0 cit. Grand Prince Vladimir the Great adopted Byzantine Christianity and had the people of Kiev baptized, tying the Rus to the Orthodox world. Both modern Russia and Ukraine claim this conversion as a foundational moment in their national and religious histories. politics / religion ●●●●●

c. 988 Varangian Guard formed for the Byzantine emperor 0 cit. Byzantine Emperor Basil II received several thousand Scandinavian and Rus warriors from Kievan Rus and formed them into an elite personal guard, later known as the Varangian Guard. Composed largely of Norse and, from the 11th century, Anglo-Saxon warriors, the unit was famed for its loyalty since its foreign members had no local political ties. It served as the Byzantine emperors' bodyguard for several centuries. politics / war ●●

c. 988 The conversion of the Rus legendary 0 cit. Prince Vladimir of Kiev accepted Orthodox Christianity from Constantinople and had his people baptized, an event traditionally dated to 988. Chronicles say his envoys, awed by the beauty of worship in the Hagia Sophia, reported they knew not whether they stood in heaven or on earth. The choice bound the Rus lands to Byzantine faith, art, and letters, a legacy that shaped Russia for a thousand years. culture / diplomacy / religion ●●●

c. 1000 The horse collar in Europe 0 cit. The padded collar, developed earlier in China, let horses pull heavy loads without choking. It made horses efficient for ploughing and hauling and boosted farm output. economy / technology ●●●

c. 1000 The rai stones of Yap 0 cit. Islanders on Yap used large carved limestone disks called rai as a store of value and for major transactions. Ownership could change without moving a stone, since the community tracked who held each one. culture / economy ●●●

c. 1000 Republic of Venice and its elected doge 0 cit. Venice was governed for centuries as a republic led by an elected doge and councils drawn from its merchant elite. Its stable oligarchic constitution made it a model of long-lived republican rule. economy / politics ●●●●

c. 1000 Leif Erikson reaches Vinland 0 cit. Norse sailors led by Leif Erikson reach Vinland in North America, five centuries before Columbus, as later confirmed by the settlement at L'Anse aux Meadows. The reach of the pagan Norse world spanned two continents. exploration / society ●●●

1000 Iceland converts to Christianity 0 cit. At the Althing assembly, Iceland peacefully adopts Christianity while quietly tolerating the old gods in private. The conversion of Scandinavia slowly ended open worship of the Norse gods, but the sagas preserved their stories. politics / religion ●●●

c. 1000 Roma ancestors leave northern India 0 cit. The Roma trace their origin to the Indian subcontinent, a conclusion drawn mainly from language. The Romani language shares its core vocabulary and grammar with Indic languages such as Sanskrit, Hindi, and Punjabi, and later genetic studies point to the same region. The date of the first migration out of India is not documented and is estimated by scholars, commonly placed around the year 1000. culture / society ●●●

c. 1000 Convivencia and its limits 0 cit. For long stretches Muslims, Jews, and Christians lived side by side in al-Andalus in what later scholars called convivencia, a coexistence that produced remarkable shared learning. It was not equality: Jews and Christians lived as dhimmis, protected but second-class subjects who paid a special tax and faced legal limits, and the peace broke into violence more than once, as in the 1066 Granada massacre. culture / religion / society ●●●

c. 1000 Rabbeinu Gershom, Light of the Exile, reforms Ashkenazi law 0 cit. Gershom ben Judah of Mainz led the first great yeshiva of Ashkenaz and issued rulings that shaped the community for centuries. Tradition credits him with the ban on polygamy for Ashkenazi Jews, a bar on divorcing a wife against her will, and a prohibition on reading others' mail. Later generations called him Me'or ha-Golah, the Light of the Exile. religion / society ●●

c. 1000 Yiddish emerges as the Ashkenazi language 0 cit. As Jews lived among German speakers, a new everyday language took shape. Yiddish fused medieval German with Hebrew and Aramaic vocabulary, written in the Hebrew alphabet, and later absorbed Slavic words as the community moved east. It became the mother tongue of Ashkenazi Jews and carried a vast literature, folklore, and press into the twentieth century. culture / society ●●●

c. 1000 Southern Nilotic Kalenjin communities in the western highlands 5 cit. Southern Nilotic speakers, ancestors of the Kalenjin peoples such as the Nandi, Kipsigis, and Tugen, settled the western highlands and the edges of the Rift over a long period, herding and farming. Later oral traditions tie some groups to earlier highland peoples they absorbed or displaced. The consolidation of Kalenjin communities is reconstructed from language and oral history, so dates are loose and approximate. society ●

c. 1000 The making of the Swahili language and civilization 0 cit. Out of centuries of contact between coastal Africans and Indian Ocean traders grew Swahili, a Bantu language enriched with Arabic and other loanwords, written for a time in Arabic script. Modern scholarship treats Swahili society as rooted primarily in African coastal communities that adopted Islam and ocean trade, not as a foreign transplant, correcting older accounts that stressed only Arab and Persian origins. The culture produced poetry, stone towns, and a distinct urban identity. culture / society ●●●

c. 1000 The Swahili coast, a cosmopolitan creole world 0 cit. Along the East African coast, Bantu-speaking Africans, Arab and Persian traders, and Indian Ocean merchants blended over centuries into the Swahili world, with its own language, towns, and Islamic culture. Identity there was made by commerce, faith, and marriage across the ocean, not by descent from a single tribe. The coast stands as a long example of belonging as something layered and open rather than sealed. Its early centuries are dated from archaeology and are approximate. economy / religion / society ●

c. 1000 Southern Nilotes settle the western highlands 0 cit. The Kalenjin peoples are Southern Nilotes, the branch that has lived longest in the Kenyan highlands, with roots in the region reaching back well over a thousand years. Early Southern Nilotic herders spread across the Rift Valley escarpments, Mount Elgon slopes, and Mau highlands. From this deep base grew the later Nandi, Kipsigis, Tugen, Marakwet, Keiyo, and Sabaot. society ●●●

c. 1000 The Shirazi tradition of Persian founders legendary 0 cit. Many coastal towns told of princes from Shiraz in Persia who sailed over in seven ships and founded the ruling dynasties, a story kept in the Kilwa Chronicle and in local lineage claims. Historians read it as a charter for status and Muslim respectability rather than a record of real migration. The Swahili elite used a Persian pedigree to mark rank, not to describe their actual ancestry. culture / society ●●

c. 1000 Somali camel herders and the clan system spread south 3 cit. Somali pastoralists herding camels and cattle across the dry north expanded southward over centuries under a segmentary clan order, the qabiil, that traced descent through named forefathers. Grazing, wells, and blood payments were handled clan by clan rather than by any central state. This mobile, kin-based society reached the lands of what is now northeastern Kenya. economy / society ●●

c. 1000 Bantu farmers settle the Taita Hills contested 3 cit. The Taita are a Bantu-speaking people who settled the isolated Taita Hills, a set of forested mountain blocks rising above the dry Tsavo plains. They grew out of several waves of migrants who clustered into tight hill communities and terraced the slopes for farming. The exact make-up of these early groups is reconstructed from language and oral tradition, so the details are debated. environment / society ●●

c. 1000 The Ogiek as forest-dwelling Southern Nilotic hunter-gatherers of the Mau contested 5 cit. The Ogiek (Okiek) are a Kalenjin-related, Southern Nilotic people long settled in the highland forests of the Mau Escarpment and around Mount Elgon. Their own traditions say they were always in these forests, while some scholars trace an earlier movement south from the highlands north of Lake Turkana. Whether they are an aboriginal remnant of the region or a Southern Nilotic group that specialised in forest foraging is debated. culture / environment / society ●●

c. January 1005 Chanyuan Treaty 0 cit. Peace between Song China and the Khitan Liao dynasty under which the Song paid annual tribute in silk and silver. It bought more than a century of peace on the northern frontier. diplomacy / economy / politics / war ●●●

1009 Founding of the Ly Dynasty 0 cit. Ly Thai To founded the Ly dynasty and moved the capital to Thang Long, now Hanoi. The dynasty established a lasting Vietnamese state known as Dai Viet. politics ●●●

23 April 1014 Battle of Clontarf 0 cit. High King Brian Boru defeated an alliance of the Norse of Dublin and the king of Leinster at Clontarf, though Brian himself was killed. Nationalist tradition later cast it as the battle that broke Viking power in Ireland. Historians now read it more as a struggle for the high kingship among Irish rival dynasties, in which Norse forces fought on both sides. politics / war ●●

c. 1019 to c. 1054 Reign of Yaroslav the Wise 0 cit. Under Yaroslav the Wise, Kievan Rus reached a cultural and political high point, with the building of Saint Sophia Cathedral and the compiling of the law code known as the Russkaya Pravda. Dynastic marriages linked Kiev to royal houses across Europe. culture / politics / religion ●●●●

c. 1021 Ibn al-Haytham and the experimental study of light 0 cit. In his Book of Optics, Ibn al-Haytham (Alhazen) showed that we see because light reflects from objects into the eye, overturning older Greek theories. He insisted on testing ideas against controlled observation, and many historians credit him as an early champion of the experimental method. The claim that he invented the scientific method single-handed is an overstatement, but his stress on evidence over authority was real and influential. science ●●●

c. 1023 Jiaozi, the first paper money 0 cit. Private merchants in Sichuan issued paper notes called jiaozi, and the Song government took over their issue in the early eleventh century. This was the world's first government-backed paper currency. economy / technology ●●●●●

1024 First government paper money 0 cit. The Song state issued the world's first official paper currency, called jiaozi, in 1024. It grew from private merchant notes into a state-backed system. economy ●●●●●

c. 1025 Guido d'Arezzo invents staff notation 0 cit. The monk Guido d'Arezzo set out a system of lines and spaces to fix the pitch of each note. It let singers read music they had never heard and became the basis of Western notation. culture ●●●●

c. 1025 Ibn Sina's Canon of Medicine 0 cit. Ibn Sina (Avicenna) organized Greek and Islamic medicine into a single encyclopedic work that became a standard text in Europe and the Islamic world for centuries. It combined real clinical insight with the inherited humoral theory that was later abandoned. Its long reign shows both the strength and the danger of a single authoritative textbook. science ●●

1025 Basil II brings the empire to its medieval peak 0 cit. Basil II, called the Bulgar-Slayer after his long and brutal wars, died having pushed the frontiers to their greatest extent since Justinian. The empire he left was rich, disciplined, and dominant across the Balkans and the east. Within fifty years weak rule and court rivalries would squander that strength. politics / war ●●

c. 1037 Founding of the Seljuk Empire 0 cit. The Seljuk Turks under Tughril established a large empire across Persia and the Near East. They became protectors of the Abbasid caliph and pushed into Anatolia. politics / war ●●●●

c. 1040 Movable type printing 0 cit. Bi Sheng created reusable characters of fired clay to print pages. It was the first movable type, centuries before the same idea reshaped Europe. technology ●●●

c. 1040 Bi Sheng invents movable type 0 cit. The artisan Bi Sheng created movable type from baked clay around the 1040s. It was an early form of the technology that would later reshape publishing worldwide. technology ●●●●

c. 1040 Samuel ibn Naghrillah, vizier and general of Granada 0 cit. Samuel ibn Naghrillah, known as Samuel ha-Nagid, rose to become vizier of the Muslim kingdom of Granada and led its armies in the field, an almost unheard-of height for a Jew. He was also a major Hebrew poet and Talmudic scholar. His career shows how far a Jew could rise under Muslim rule, but it also stirred resentment that would soon turn deadly. culture / politics / war ●●●

1044 Rise of the Pagan Empire 0 cit. King Anawrahta unified the Irrawaddy valley and founded the Pagan Empire. It was the first Burmese state to unite the region and spread Theravada Buddhism. politics / religion ●●●

c. 1050 Rise of Cahokia 0 cit. Cahokia grew into the largest city of the Mississippian culture near the Mississippi River. Its great earthen mounds made it the largest pre-Columbian site north of Mexico. politics / society ●●●●

c. 1050 Passage through Persia and the Middle East 0 cit. As they moved west, the Roma spent generations in Persia and neighboring lands. Romani absorbed a layer of Persian, Armenian, and Kurdish loanwords, which linguists use to reconstruct the route and rough timing of the migration. This stage left no written records of the people themselves, so the evidence is almost entirely linguistic. culture / society ●●

c. 1050 Solomon ibn Gabirol, poet and philosopher 0 cit. Solomon ibn Gabirol wrote both intense Hebrew religious poetry and a Neoplatonic philosophical work, the Fountain of Life. Translated into Latin, the book circulated in Christian Europe under the name Avicebron, and for centuries readers did not know its author was a Jew. He embodied the Sephardic blend of poetry, philosophy, and science. culture / religion / science ●●

16 July 1054 The Great Schism 0 cit. Papal legates excommunicate the Patriarch of Constantinople, who responds in kind. The break splits Christianity into the Catholic West and Orthodox East, a division that has never healed. religion ●●●●

16 July 1054 Great Schism of 1054 0 cit. Papal legates excommunicate Patriarch Michael Cerularius in Hagia Sophia, and he responds in kind. The mutual excommunications come to mark the lasting break between Roman Catholic and Eastern Orthodox Christianity. religion ●●●●

16 July 1054 The East-West Schism of 1054 0 cit. Papal legates and the Patriarch of Constantinople exchanged excommunications over disputes about papal authority and doctrine. The break split Christianity into the Roman Catholic and Eastern Orthodox churches, a division that has never healed. politics / religion ●●●●

July 1054 The Great Schism splits Christendom 0 cit. Legates of the pope and the patriarch of Constantinople exchanged excommunications, hardening a long drift between the Latin and Greek churches into open rupture. The quarrel ran over papal authority, the wording of the creed, and ritual, and its roots reached back centuries. Contemporaries did not see 1054 as final, but it came to mark the lasting divide between Roman Catholic and Eastern Orthodox Christianity. politics / religion ●●●

20 October 1066 Battle of Hastings wikidata 0 cit. battle which occurred on 14 October 1066 ●●

30 December 1066 The 1066 Granada massacre 0 cit. A mob stormed the royal palace, killed Joseph ibn Naghrillah, the Jewish vizier and son of Samuel ha-Nagid, and turned on the Jewish quarter. Chroniclers put the dead in the thousands, though the exact figure is uncertain. The massacre is a reminder that convivencia was never full equality: Jewish standing depended on rulers, and a shift in the crowd's mood could erase it overnight. religion / society / war ●●●

c. 1070 Omar Khayyam solves cubic equations by geometry 0 cit. Better known in the West as a poet, Omar Khayyam gave a geometric method for solving cubic equations using intersecting conic sections. He also worked on the theory of ratios and questioned Euclid's parallel postulate, foreshadowing much later work. His mathematics shows the Islamic golden age extending Greek geometry into new ground. culture / science ●●●

26 August 1071 Battle of Manzikert opens Anatolia to the Turks 0 cit. The Seljuk Turks crush a Byzantine army at Manzikert, in the Armenian highlands, opening Anatolia to Turkish settlement. Byzantium had annexed the Bagratid kingdom and sacked Ani only years earlier, leaving Armenia exposed. Many Armenians migrate south, laying the ground for a new Armenian state in Cilicia. politics / war ●●

26 August 1071 Manzikert opens Anatolia to the Turks 0 cit. The Seljuk Turks defeated and captured Emperor Romanos IV at Manzikert in eastern Anatolia. The battlefield loss was not catastrophic in itself, but the civil wars that followed let the Turks pour into Anatolia, the empire's heartland and its main source of soldiers and grain. The slow loss of Asia Minor was a wound Byzantium never truly healed. politics / war ●●●

1075 Dictatus Papae asserts papal supremacy 0 cit. Pope Gregory VII issued a set of 27 statements claiming that the pope alone could depose emperors, that his judgment could not be overruled, and that the Roman Church had never erred. The document set out an assertive vision of papal power over secular rulers. politics / religion ●●●●

c. 1075 Mapungubwe kingdom flourishes 0 cit. The kingdom of Mapungubwe rose near the confluence of the Limpopo and Shashe rivers as a major trading center, exchanging gold and ivory with Indian Ocean trade networks reaching as far as China. It is regarded as the first indigenous class-based society in southern Africa, with a clear social hierarchy visible in its burial sites. A famous gold rhinoceros figurine found there is a national symbol of South Africa today. culture / economy ●●●

c. 1075 Rashi of Troyes writes his commentaries 0 cit. Solomon ben Isaac, known as Rashi, produced commentaries on the Hebrew Bible and the Talmud that remain the starting point for study to this day. He wrote in clear, concise Hebrew, explaining difficult passages so ordinary students could follow. Printed editions of the Talmud still place his commentary beside the text on nearly every page. culture / religion / science ●●●

1075 The Dictatus Papae sparks the Investiture Controversy 0 cit. Pope Gregory VII issued a set of claims asserting the pope's supreme authority, including the sole right to appoint and depose bishops. This struck at the emperor's practice of investing bishops with their office. The clash over who controlled church appointments opened the Investiture Controversy. politics / religion ●●●

1076 to 1122 The Investiture Controversy begins 0 cit. Pope Gregory VII and Emperor Henry IV clashed over who could appoint bishops, a dispute known as the Investiture Controversy. Gregory excommunicated Henry, opening a long struggle between papal and imperial authority. politics / religion ●●●●

February 1076 Gregory VII excommunicates Henry IV 0 cit. After Henry IV tried to depose him, Gregory VII excommunicated the emperor and released his subjects from their oaths of loyalty. German nobles seized the moment to threaten revolt unless Henry made peace with the pope. The ban turned a church dispute into a crisis for the crown. politics / religion ●●

25 January 1077 Road to Canossa 0 cit. Emperor Henry IV traveled to Canossa and waited three days in the snow before Pope Gregory VII lifted his excommunication on 28 January. The scene became a lasting image of a monarch submitting to the pope. politics / religion ●●●●

January 1077 Henry IV at Canossa legendary 0 cit. Henry IV crossed the winter Alps and, by tradition, stood barefoot in the snow for three days outside the castle of Canossa to beg the pope's forgiveness. Gregory VII lifted the excommunication. The scene became a lasting symbol of a king humbled by the Church, though some historians read it as a shrewd move by Henry to win back his crown and outflank his rivals. politics / religion ●●●

1084 The bishop of Speyer charters a Jewish community 0 cit. Bishop Rüdiger Huzmann invited Jews to settle in Speyer and granted them a charter with rights to trade, own land, and govern their own affairs. He wrote openly that their presence would raise the standing of his town. Speyer joined Worms and Mainz as one of the three ShUM cities, from the Hebrew initials Shin, Vav, Mem. economy / politics / society ●●

1085 Toledo falls to Christian Castile 0 cit. Alfonso VI of Castile captured Toledo, a major step in the Christian Reconquista of Iberia. Under early Christian rule Jews often kept their standing, and Toledo became a famous center where Jewish, Christian, and Muslim scholars translated Arabic and Greek learning into Latin. For a time the transfer of power did not end Jewish flourishing. politics / science / war ●●

c. 1088 The magnetic compass for navigation 0 cit. Sailors used a magnetized needle to find direction even without sight of the stars or shore. The compass made open sea navigation far more reliable and enabled long voyages. technology ●●●●

c. 1088 Magnetic compass used for navigation 0 cit. Song texts describe the magnetic compass being used to find direction, including at sea. The instrument later spread across the world and transformed navigation. exploration / technology ●●●●

1088 The University of Bologna is founded 0 cit. Bologna, founded around 1088, is usually regarded as the oldest university in Europe. It began as a guild of students focused on Roman law and set the model for the medieval university. culture / society ●●●●

27 November 1095 Council of Clermont 0 cit. Pope Urban II calls on Western Christians to march east and take Jerusalem, launching the First Crusade. Two centuries of crusading follow, reshaping relations between Christian Europe and the Islamic world. religion / war ●●●●

27 November 1095 Council of Clermont launches the First Crusade 0 cit. Pope Urban II called on Western knights to march east and recover Jerusalem, promising spiritual rewards to those who went. The appeal launched the Crusades and showed the papacy directing armies across the continent. politics / religion / war ●●●●

1095 Byzantium's appeal helps launch the First Crusade 0 cit. Emperor Alexios I Komnenos asked the west for mercenaries to help recover lost lands from the Turks. Pope Urban II answered at the Council of Clermont with a call for a far grander armed pilgrimage to Jerusalem, launching the First Crusade. The crusaders helped Byzantium regain ground but also brought a large, unpredictable Latin army into a wary and mutually suspicious relationship. diplomacy / religion / war ●●●

1096 Rhineland Massacres of the First Crusade 0 cit. As the First Crusade set out, crusader bands attacked Jewish communities in the Rhineland and killed thousands. The massacres marked a turning point for Jewish life in medieval Europe. religion / society ●●

c. 1096 Teaching begins at Oxford 0 cit. Records show teaching at Oxford by about 1096, and the university grew quickly after English students were barred from Paris in 1167. It became the oldest university in the English-speaking world. culture / society ●●●●

May 1096 to 1096 Crusaders massacre the Rhineland communities 0 cit. As the First Crusade set out for Jerusalem, bands led by Count Emicho turned on the Jews of the Rhineland instead. They killed thousands in Worms, Mainz, Cologne, and Speyer, giving victims the choice of baptism or death. Many Jews killed themselves and their families rather than convert, an act remembered as Kiddush Hashem, the sanctification of God's name. The massacres left a deep scar on Ashkenazi memory and liturgy. religion / society / war ●●●

15 July 1099 Crusaders capture Jerusalem 0 cit. After a long siege, the armies of the First Crusade stormed Jerusalem and killed much of its Muslim and Jewish population. The massacre, carried out in the name of the faith the pope had called them to defend, became a lasting symbol of holy war. politics / religion / war ●●●

c. 1100 Rise of Great Zimbabwe 0 cit. The stone city of Great Zimbabwe became the center of a powerful southern African kingdom. It thrived on cattle herding and trade in gold and ivory. economy / politics ●●●●

c. 1100 The hexagram is used in medieval magic as the Seal of Solomon 0 cit. Medieval magical and alchemical texts across the Islamic world and Christian Europe use the hexagram, called the Seal of Solomon, as a protective sign attributed to King Solomon's legendary power over demons, often interchangeably with the five-pointed pentagram of the same name. The hexagram and pentagram were used somewhat interchangeably for this purpose before later traditions distinguished them more sharply. culture / religion ●●

c. 1100 The deicide charge shapes Christian views of Jews 0 cit. Medieval Christian preaching held Jews collectively and permanently guilty for the death of Jesus, a charge known as deicide. Church teaching cast them as a people meant to live in subjection as witnesses to their supposed error. This theology, which the Catholic Church formally repudiated in 1965, framed Jews as outsiders and supplied the language of later persecution. culture / religion / society ●●

c. 1100 The Tosafists build on Rashi's work 0 cit. Rashi's sons-in-law, grandsons, and their students formed a school of scholars called the Tosafists, meaning those who add. They analyzed the Talmud through sharp questions that reconciled contradictions across the text. Their leader Rabbeinu Tam, Rashi's grandson, was the most influential; their notes are printed opposite Rashi in the standard Talmud. culture / religion / science ●●

c. 1100 Swahili Islamic culture takes shape 0 cit. As Islam settled on the coast, it fused with local life to produce a distinct Swahili Islamic culture of coral-stone mosques, Arabic learning, and a Muslim urban identity, later expressed in poetry written in Swahili. Coastal families cultivated links to the wider Islamic world and, in some accounts, to Shirazi ancestors from Persia, a claim historians read as much as identity as literal descent. Mosque inscriptions such as Kizimkazi's, dated to the early twelfth century, mark the culture's depth. culture / religion ●●

c. 1110 The Exchequer counts with tally sticks 0 cit. Medieval England ran royal finance through the Exchequer, which recorded debts on notched wooden tally sticks split in two so debtor and Crown each held a matching half that could not be forged. The system lasted centuries. When the old tallies were finally burned in 1834 the fire destroyed the Houses of Parliament. economy / politics ●●

c. 1115 Florentine Republic and civic humanism 0 cit. Florence governed itself as a republic through councils of citizens and guilds, though power often rested with wealthy families such as the Medici. Its debates over liberty and self-rule fed Renaissance political thought. culture / politics ●●●

1118 Founding of the Knights Templar ai_extracted 1 cit. Nine Knights Crusaders including Geoffroi de Saint-Omer and Hugues de Payens consecrate themselves and take oath before Patriarch of Constantinople to protect Christians visiting Holy Places and secretly rebuild Temple of Solomon ●●

c. 1119 Founding of the Knights Templar Banking Network 0 cit. The Knights Templar, a military order founded to protect pilgrims, builds Europe's first international banking network. Pilgrims deposit funds at one Templar house and withdraw them at another using letters of credit, an early form of long-distance banking. economy / religion ●●●●

1119 Founding of the Knights Templar 0 cit. The Poor Fellow-Soldiers of Christ and of the Temple of Solomon were founded around 1119 to protect pilgrims in the Holy Land. They are relevant to Freemasonry only through a later legend, not through any real historical link. religion / war ●●●

c. 1120 Sicut Judaeis protects Jews from forced baptism 0 cit. Around 1120 Pope Calixtus II issued the bull Sicut Judaeis, which forbade Christians to baptize Jews by force, harm them, seize their property, or disturb their festivals and cemeteries. More than twenty popes reissued it over the following centuries, making it the papacy's standing protective charter for Jews. The same popes still upheld the laws that kept Jews in a subordinate legal position. politics / religion / society ●●●

23 September 1122 Concordat of Worms 0 cit. Agreement between Pope Callixtus II and Emperor Henry V ending the Investiture Controversy. It separated the spiritual and secular elements of appointing bishops, a landmark in church-state relations. diplomacy / politics / religion ●●●

23 September 1122 Concordat of Worms ends the Investiture Controversy 0 cit. The pope and the Holy Roman Emperor reached a compromise on the appointment of bishops, ending the Investiture Controversy. The Church gained the right to invest bishops with spiritual authority while the emperor kept a role in granting their lands. politics / religion ●●●

23 September 1122 The Concordat of Worms settles the investiture dispute 0 cit. Emperor Henry V and Pope Calixtus II reached a compromise on appointing bishops. The Church would grant the spiritual office while the emperor granted the lands and worldly powers that came with it. The deal ended a 50-year struggle but left the deeper question of who ranked above the other unresolved. diplomacy / politics / religion ●●●

1127 Jurchen Jin conquer the north and Southern Song 0 cit. The Jurchen Jin captured the Song capital Kaifeng in 1127 and seized northern China. The Song court fled south and rebuilt at Hangzhou as the Southern Song. politics / war ●●●●

January 1129 Council of Troyes Endorses the Templars 0 cit. A church council formally recognized the Knights Templar and approved a written rule for the order. The Latin Rule set out how the warrior monks were to live. politics / religion ●●●

1129 Council of Troyes endorses the Templar rule 0 cit. A church council formally recognized the Knights Templar and gave the order a written rule, drafted with input from Bernard of Clairvaux. This endorsement turned a small band of knights into an official religious and military order backed by the Church. religion ●●