Events, Verisoph

c. 10000 BCE Barter and the limits of direct exchange 0 cit. Before money, people swapped goods and services directly, but barter required a double coincidence of wants where each side had to want what the other offered. This friction pushed communities toward widely accepted goods that could stand in for value. economy / society ●●●●

c. 9000 BCE Cattle as an early store of value 0 cit. Herding societies used cattle and other livestock as a measure of wealth and a means of payment. The Latin word for money, pecunia, derives from pecus, meaning cattle. economy / society ●●●

c. 8001 BCE Clay tokens and the birth of accounting in Sumer 0 cit. Farmers and temple officials in the Fertile Crescent used small shaped clay tokens to count sheep, grain, and jars of oil. Over thousands of years the tokens were sealed in clay envelopes and then pressed as marks on the surface, a path that led toward written numbers and writing itself. Counting goods, not doing pure mathematics, drove the first number records. economy / society ●●●

c. 8001 BCE Clay tokens count the first surpluses 0 cit. Long before writing, farmers and temple stores in the ancient Near East tracked grain, oil, and livestock with small shaped clay tokens, one token standing for one unit of goods. The archaeologist Denise Schmandt-Besserat argued this token system was the direct ancestor of writing and numbers, a reading that is widely cited but also contested by some scholars. economy / society ●●

c. 3500 BCE First Sumerian city-states rise in Mesopotamia 0 cit. The world's first cities such as Uruk formed independent city-states, each ruled by a king who claimed authority on behalf of the city's god. This linked political power to religious duty from the start. politics / society ●●●●●

c. 3100 BCE Grain as a unit of account in Mesopotamia 0 cit. Sumerian temple and palace economies measured debts, wages, and rents in fixed quantities of barley. Grain served as a standard of value alongside weighed silver. economy / society ●●●

c. 3001 BCE Kansyore ware and the limits of pots equal people contested 0 cit. Kansyore ware is the oldest pottery of the Lake Victoria basin, made over a long span by hunter-fisher-gatherers who did not farm. It is a plain warning against the shortcut that a new pottery style must mean a new farming people. Potting, herding, and language do not always travel together, so a ceramic tradition alone cannot prove a migration. Reading pots as ethnic markers stays a contested move. science / society ●●

c. 3000 BCE The Mesopotamian shekel and silver by weight 0 cit. The shekel began as a unit of weight, roughly eight grams of barley or silver, and became a standard for pricing goods and settling debts. Payments were made in weighed silver rather than in stamped coins. economy / society ●●●●

c. 2601 BCE Caral and the Norte Chico civilization 0 cit. In the coastal valleys north of present-day Lima, the Norte Chico or Caral-Supe society builds monumental platform mounds and sunken plazas. It is one of the oldest known civilizations anywhere and the oldest in the Americas, and it appears to have grown without pottery or clear signs of warfare, trading cotton and fish. Dates rest on radiocarbon work at Caral and remain approximate. culture / society ●●

c. 2501 BCE The Sumerians worship An, the sky father, head of the earliest pantheon 0 cit. Sumerian religion, among the oldest documented, placed An (later Akkadian Anu) as the sky god and ancestor of the gods. His name was written with the sign that also meant heaven and divinity itself. religion / society ●●●

c. 2501 BCE Enlil, lord of wind and storm, rules the Mesopotamian cosmos 0 cit. Enlil held the tablets of destiny and acted as the chief active god of the Sumerian and later Babylonian pantheon. His main temple, the Ekur at Nippur, was one of Mesopotamia's holiest sites. religion / society ●●

c. 2501 BCE Enki, god of water and wisdom, shapes humanity in Mesopotamian myth 0 cit. Enki, known to the Akkadians as Ea, governed fresh water, crafts, and cunning, and repeatedly rescued humankind in myth. He warns the flood hero in the Mesopotamian deluge stories. religion / society ●●

c. 2501 BCE Egyptian scribes audit the royal storehouses 0 cit. The pharaonic state ran on written inventories of grain, cattle, and labor kept by a trained class of scribes who counted goods in and out of royal and temple storehouses. Their work was checked by overseers, an early form of audit, and scribes held high status precisely because they controlled the records of wealth. economy / politics / society ●●

c. 2500 BCE Mesopotamian scribal schools (edubba) 0 cit. Sumerian temple and palace cities ran edubba, or tablet houses, where students learned cuneiform writing and arithmetic. These are among the earliest known formal schools, training scribes for administration and record keeping. culture / society ●●●

c. 2401 BCE Ra, the sun god, sails across the Egyptian sky 0 cit. Ra was the Egyptian sun god who traveled the heavens by day and the underworld by night. From the Old Kingdom on, pharaohs styled themselves sons of Ra, and the god merged with Amun as Amun-Ra. religion / society ●●●

c. 2351 BCE Osiris rules the Egyptian underworld and judges the dead 0 cit. Osiris, god of the dead and rebirth, presided over the judgment of souls in the Egyptian afterlife. His green skin symbolized regeneration and the yearly return of vegetation. religion / society ●●●

c. 2247 BCE Tower of Babel 0 cit. The traditional chronology places the building of the tower of Babel and the confusion of tongues about 2247 BC, in the plain of Shinar. Genesis presents this as the origin of the world's languages and the scattering of the nations. religion / society ●●●

c. 2070 BCE Legendary founding of the Xia dynasty legendary 0 cit. Chinese tradition holds that Yu the Great founded the Xia around 2070 BCE, making it the first hereditary dynasty. No contemporary written records confirm it, so its existence remains debated. politics / society ●●●●

c. 1900 BCE Erlitou Bronze Age culture unproven 0 cit. The Erlitou site shows a large urban settlement with palaces, bronze workshops, and social hierarchy. Some scholars link it to the Xia, though the connection is unproven. culture / society ●●●

c. 1894 BCE Babylon rises under the Amorite dynasty 0 cit. An Amorite dynasty makes the small town of Babylon on the Euphrates the seat of a kingdom. Over the next centuries it becomes the political and religious center of Mesopotamia and a name that would echo for millennia. politics / society ●●●

c. 1754 BCE Code of Hammurabi sets law under a king 0 cit. King Hammurabi of Babylon issued one of the earliest written law codes, presenting himself as chosen by the gods to bring justice. It tied the king's authority to the enforcement of written law. politics / society ●●●●

c. 1600 BCE Founding of the Shang dynasty 0 cit. The Shang dynasty is the first Chinese dynasty confirmed by archaeological and written evidence, beginning around 1600 BCE. It was ruled by a line of kings across the North China Plain. politics / society ●●●●

c. 1200 BCE Rise of the Olmec Civilization 0 cit. The Olmec developed the first major civilization of Mesoamerica along the Gulf coast. They are known for colossal stone heads and early religious traditions. culture / society ●●●●

c. 1042 BCE Duke of Zhou and the fengjian order 0 cit. The Duke of Zhou served as regent and helped organize a decentralized system granting land and titles to relatives and allies. This fengjian structure shaped early Zhou governance. politics / society ●●●

c. 1001 BCE Zoroaster preaches Ahura Mazda in ancient Iran 0 cit. The prophet Zoroaster taught worship of the wise lord Ahura Mazda and a cosmic struggle between truth and falsehood. Zoroastrian ideas about judgment, heaven, and a final renewal influenced later religions. religion / society ●●●

c. 1001 BCE Cushitic pastoralists reach the northern lands 0 cit. Cushitic-speaking herders, moving south from the Ethiopian highlands, were among the earliest food producers in the region, keeping cattle, sheep, and goats across the arid north roughly three thousand years ago. Their descendants include Eastern Cushitic peoples such as the Somali, Rendille, and Oromo-related communities of Kenya's dry frontier. The timing is reconstructed from linguistics and archaeology, so dates are approximate. economy / society ●

c. 1001 BCE A Back-to-Africa Migration into the Horn contested 0 cit. Cushitic-speaking peoples of the Horn carry a West-Eurasian ancestry component that came from a migration back into Africa from the Middle East. Pagani and colleagues dated the earliest of these admixture events in Ethiopia to roughly 3,000 years ago in a 2012 study, with a lot of variation between groups. This is why Somali, Borana and Rendille genomes show a share of ancestry that traces to outside the continent. The exact dates keep shifting as more genomes are sequenced, so the timing is treated as unsettled. science / society ●●●

c. 861 BCE to c. 591 BCE Kingdom of Urartu rises around Lake Van 0 cit. The kingdom of Urartu unites tribes of the Armenian Highlands into a powerful Iron Age state centered on Tushpa near Lake Van. Its rulers rival Assyria, build fortresses and irrigation works, and leave cuneiform inscriptions. Urartu is widely seen as a forerunner of the later Armenian nation, and its collapse around 590 BCE clears the way for Armenian identity to emerge. politics / society ●●

c. 700 BCE The Spartan agoge trains citizens for the state 0 cit. Sparta ran the agoge, a compulsory state education that took boys from their families around age seven and trained them for military and civic life. It is an early example of schooling designed to serve the state rather than the family. politics / society ●●

c. 676 BCE Rise of the Greek Hoplite Phalanx 0 cit. Greek city-states developed the hoplite phalanx, a close-order infantry formation of citizens who bought their own armor and fought as equals in the line. Hoplite service tied military duty to citizenship: the man who could afford arms had a stake in, and a voice in, the polis. This citizen-soldier model shaped Greek political life and became a reference point for later ideas about who has the right and duty to fight. society / war ●●

c. 601 BCE The Eleusinian Mysteries promise initiates a blessed afterlife legendary 0 cit. The secret rites at Eleusis honored Demeter and Persephone and drew initiates from across the Greek and Roman worlds for over a thousand years. They centered on the myth of Persephone's descent and return. religion / society ●●●

c. 601 BCE Spartan Agoge 0 cit. Sparta built its citizen body around compulsory military education, the agoge, which took boys from around age seven and trained them for a lifetime as soldiers. The system made Sparta the most militarized society of classical Greece, where the male citizen's role was defined almost entirely by war. Ancient writers, including Xenophon and Plutarch, treated Sparta as the model case of a state organized around military virtue. society / war ●●

c. 601 BCE Southern Nilotic ancestors of the Kalenjin move into the Rift highlands contested 0 cit. The peoples later grouped as Kalenjin descend from Southern Nilotic herders who spread from the South Sudan and Ethiopia borderlands into the highlands of East Africa. Linguists and archaeologists place this movement in the long period often called the African Classical Age, roughly the first millennium BCE into the early centuries CE. The migrants mixed with earlier Cushitic-speaking and hunter-gatherer populations already in the region, so the modern cluster grew out of blending rather than a single pure stock. exploration / society ●●

c. 594 BCE Solon reforms the Athenian constitution 0 cit. The lawmaker Solon cancelled debts, ended debt slavery, and sorted citizens into classes with political rights by wealth rather than birth. His reforms laid groundwork for later Athenian democracy. politics / society ●●●●

586 BCE to 538 BCE The Babylonian Exile 0 cit. After the fall of Jerusalem, a large part of Judah's population lived in exile in Babylon. The period shaped Jewish religious identity and the editing of scripture. religion / society ●●●

551 BCE Confucius and the Confucian tradition 0 cit. Confucius, born around 551 BCE, taught a system of ethics centered on virtue, ritual propriety, family duty, and good government. His ideas, collected by disciples in the Analects, became a cornerstone of Chinese thought for over two millennia. culture / religion / society ●●●●●

c. 508 BCE Cleisthenes founds Athenian democracy 0 cit. Cleisthenes reorganized Athens into local units and gave ordinary male citizens the power to vote in the assembly and serve on councils chosen by lot. This is widely seen as the birth of direct democracy. politics / society ●●●●●

c. 501 BCE Rome adopts the fasces as a symbol of magisterial authority 0 cit. The Roman Republic adopts the fasces, a bound bundle of wooden rods sometimes enclosing an axe, carried by lictors before magistrates, as the visual emblem of state power and the authority to punish. The symbol, inherited from earlier Etruscan practice, denoted strength through unity and lawful coercive authority. politics / society ●●

c. 501 BCE The owl of Athena becomes a classical symbol of wisdom 0 cit. Ancient Athens places the owl, sacred to the goddess Athena, on its silver coinage (the 'owl' tetradrachm), cementing the bird as the classical Western symbol of wisdom and learning, a meaning it retains in modern academic and civic iconography. culture / society ●

c. 501 BCE A Later Nilotic Stream Moves South contested 0 cit. After the early herders and the Bantu farmers, a Nilotic-related ancestry linked to groups from the upper Nile spread into what is now Kenya. This is the third of the streams that built the modern population, and it is carried today in Nilotic-speaking groups such as the Kalenjin, Luo and Maasai. Genetic studies detect the stream clearly, but the timing and the number of separate movements are still argued over. Some Nilotic arrivals, like the Luo, are recent enough to sit within oral memory. science / society ●●

c. 500 BCE Rise of Monte Albán 0 cit. The Zapotec built the hilltop city of Monte Albán in the Oaxaca Valley. It became one of the earliest urban centers in the Americas. politics / society ●●●

c. 500 BCE Confucius teaches and shapes Chinese education 0 cit. Confucius taught that education and moral cultivation should be open to students of any background, not just nobles. His ideas became the foundation of Chinese schooling and civil service training for two thousand years. culture / politics / society ●●●●

c. 451 BCE Athens and slavery in ancient Greece 0 cit. Classical Athens depended heavily on enslaved labour in homes, workshops and the silver mines at Laurion. Slaves may have numbered close to a third of the city's population. economy / society ●●●

c. 451 BCE Rome's Twelve Tables put law in writing 0 cit. Rome published its laws on twelve bronze tablets so that rules applied to patricians and plebeians alike. Public written law became a foundation of the republican system. politics / society ●●●

399 BCE Socrates is tried and executed in Athens 0 cit. Athens condemns Socrates to death for impiety and corrupting the youth, largely for what he said and taught. He becomes the founding martyr of the idea that speech and inquiry should not be punished by the state. politics / society ●●●●

c. 340 BCE Kidinnu measures the year and the moon 0 cit. The Babylonian astronomer Kidinnu (known to the Greeks as Cidenas) calculates the length of the year and the moon's motion with an accuracy not matched in Europe until the modern era. His constants passed into Greek astronomy. science / society ●●●

221 BCE Standardization under Qin Shi Huang 0 cit. The Qin standardized the writing script, currency, weights, measures, and axle widths across the empire. A centralized bureaucracy replaced the old feudal order. politics / society ●●●●

124 BCE Han China founds the Taixue imperial academy 0 cit. Emperor Wu of Han established the Taixue in 124 BC to train officials in the Confucian classics. It tied advancement in the state to a standard curriculum, an early link between schooling and government service. politics / society ●●●

c. 100 BCE Founding of Teotihuacan 0 cit. The city of Teotihuacan was established in the Valley of Mexico. It grew into one of the largest cities in the ancient world with its great pyramids. culture / society ●●●●

74 BCE to 72 BCE The revolt of Spartacus 0 cit. An enslaved gladiator named Spartacus led a rebellion of tens of thousands against Rome. The uprising was defeated and thousands of the captured were crucified along the Appian Way. society / war ●●●

c. 51 BCE Slavery in ancient Rome 0 cit. Slavery was central to the Roman economy, and enslaved people may have made up a fifth to a third of Italy's population. Most were captives of war, put to work in fields, mines and households. economy / society ●●●●

c. 2 BCE Khoikhoi pastoralism spreads to the Cape 0 cit. Khoikhoi herders, descended from San groups who adopted livestock, spread sheep and later cattle herding into the Cape region around two thousand years ago. They lived alongside San hunter-gatherers, with whom they shared close linguistic and cultural ties. Khoikhoi society was organized around clans and cattle wealth well before European contact. economy / society ●●

c. 1 Kenya at the time of Christ looked nothing like today 0 cit. Two thousand years ago almost none of Kenya's peoples were where they are now. The land was held by Southern Cushitic herders and older hunter-gatherer foragers. The Bantu were only reaching the Lake Victoria basin in the west, and would not settle the central highlands or the coast hinterland for another thousand years. The Luo were still in southern Sudan and the Maasai far to the north; both arrived only after 1500. The map of distinct tribes is only three to eight centuries old, redrawn by migration after the time of Christ. exploration / society ●●●

c. 75 The last cuneiform tablet is an astronomical almanac 0 cit. The very last datable cuneiform texts, written when Babylon was already a ruin, are astronomical almanacs. The science of the stars was the final thing the world's oldest written civilization kept recording, outliving its temples and its kings. science / society ●●●

80 The Colosseum opens in Rome 0 cit. The emperor Titus opened the Colosseum with a hundred days of games. Gladiator fights and staged spectacles drew tens of thousands as mass public entertainment. culture / society ●●●●

c. 98 Tacitus records the gods of the Germanic tribes 0 cit. In his Germania, the Roman historian Tacitus described Germanic worship and matched their gods to Roman ones such as Mercury and Mars. These early gods are ancestors of the later Norse deities. religion / society ●●

c. 100 The seven-day week is named for the sun, moon, and planets 0 cit. The planetary week assigned each day to a heavenly body and its god, a system that spread through the Roman world. English kept some Roman names and swapped others for Germanic gods. religion / society ●●●

c. 100 Sunday and Monday are named for the sun and the moon 0 cit. Sunday keeps the Roman day of the sun and Monday the day of the moon, both once treated as divine. The names survived the shift to Christianity across northern Europe. religion / society ●●

c. 100 Saturday keeps the name of the Roman god Saturn 0 cit. Unlike the other weekdays in English, Saturday kept its Roman name, the day of Saturn, without a Germanic substitute. It preserves the old god directly in modern speech. religion / society ●●

c. 100 The Moche of the north coast 0 cit. The Moche build irrigation networks, large adobe pyramids such as the Huacas del Sol y de la Luna, and produce some of the finest ceramics and metalwork of the ancient Americas. Their elite tombs, like the Lord of Sipan, reveal a stratified society and rich ritual life. There was no single Moche state but a shared culture across several river valleys. culture / society ●●

c. 100 Ancestors of the Somali and Rendille take shape contested 0 cit. Language reconstruction points to a "Proto-Sam" community, ancestral to the Somali, Rendille, and Aweer, living near the Tana River and the southern Somali coast in the first millennium CE. From this root the Eastern Cushitic camel peoples later fanned out across the north. The model is widely used but rests on linguistics rather than direct evidence, so it remains contested. society ●●

184 to 205 Yellow Turban Rebellion 0 cit. A massive peasant revolt led by Taoist sect leaders shakes the Han dynasty. Suppressing it empowers regional warlords and begins the Han collapse. religion / society / war ●●●

c. 293 Diocletian divides the Roman world 0 cit. The emperor Diocletian split the overstretched empire into eastern and western halves ruled by a college of four emperors, the Tetrarchy. The move was meant to steady a state worn down by civil war and invasion, and it set the precedent for a separate government in the Greek-speaking east. politics / society ●●

c. 300 Rise of Tiwanaku 0 cit. Tiwanaku grew into a major Andean state near Lake Titicaca. It influenced a wide region through its religion, architecture, and agriculture. culture / society ●●●

c. 300 Bantu-speaking farmers reach modern KwaZulu-Natal 0 cit. Bantu-speaking farming communities, part of the broader Bantu expansion out of central Africa, reached the eastern coastal regions of what is now South Africa by around the third century CE. They brought iron-working, cattle keeping, and cultivated crops such as sorghum and millet. Archaeological sites like Silver Leaves and Broederstroom document this early Iron Age settlement. society / technology ●●●

c. 400 Tuesday is named for Tiw, the Germanic god of war 0 cit. The Roman day of Mars became Tuesday, named for the Germanic war god Tiw or Tyr, a match of like gods. The Romance languages kept the Mars form, as in French mardi. religion / society ●●

c. 400 Wednesday is named for Woden, the Germanic Odin 0 cit. The Roman day of Mercury became Wednesday, named for Woden, the Germanic form of Odin, seen as a like figure. French kept the Mercury form as mercredi. religion / society ●●

c. 400 Thursday is named for Thor, the thunder god 0 cit. The Roman day of Jupiter became Thursday, named for the thunder god Thor, matched to the sky god Jove. French kept the Jupiter form as jeudi. religion / society ●●

c. 400 Friday is named for Frigg, the Germanic goddess 0 cit. The Roman day of Venus became Friday, named for the goddess Frigg or Freya, matched to the goddess of love. French kept the Venus form as vendredi. religion / society ●●

c. 420 The deicide charge and Augustine's doctrine of the Jewish witness 0 cit. Early Church writers accused the Jewish people as a whole of killing Christ, a charge known as deicide that fed centuries of hostility. Augustine of Hippo argued that Jews should not be killed but preserved in a subjected state as living witnesses to the truth of Christian scripture, citing the psalm verse slay them not. His witness doctrine both justified their subjugation and, in principle, restrained outright massacre. culture / religion / society ●●●

c. 476 The empire that called itself Roman 0 cit. Its people never called themselves Byzantines. They were Rhomaioi, Romans, heirs of an unbroken state that ran from Augustus to 1453. The label 'Byzantine' was coined by the German scholar Hieronymus Wolf in 1557 and spread among later historians, partly to deny the Greek-speaking Orthodox east a claim on the Roman name. The term is a modern convenience for a state that saw itself simply as Rome. culture / society ●

c. 500 The Kaaba and pre-Islamic Arabia 0 cit. Before Islam, Mecca is a trading town whose Kaaba shrine houses idols of many tribal gods; Muslims later call this era the jahiliyya, the age of ignorance. Pilgrimage and trade fairs draw Arabian tribes to the city. This is the world into which Muhammad is born around 570. culture / religion / society ●●

c. 500 Tiwanaku rises by Lake Titicaca 0 cit. On the high altiplano near Lake Titicaca, Tiwanaku grows into a major ceremonial and political center with monumental stonework such as the Gateway of the Sun. It spread its influence through colonies and trade across the southern Andes before declining around 1000 CE, possibly amid drought. culture / society ●●

c. 500 Bantu-speaking farmers reach the Lake Victoria basin 0 cit. Iron-using, grain- and cattle-keeping Bantu speakers spread into the Lake Victoria region during the first millennium CE, part of the long Bantu expansion out of the Cameroon-Nigeria borderland. Linguistics and archaeology, not written records, place them here; the western Bantu of Kenya descend from these settlers who mixed with earlier hunter-gatherers and later Nilotic neighbours. The date is a broad estimate rather than a fixed event. economy / society ●●●

January 532 The Nika riots nearly topple Justinian 0 cit. Rival chariot-racing factions, the Blues and Greens, united in revolt and set much of Constantinople ablaze, chanting 'Nika' (victory). With the mob proclaiming a new emperor, Justinian was ready to flee until Theodora reportedly urged him to stand. His general Belisarius trapped the crowds in the Hippodrome and killed tens of thousands, ending the rising in blood. politics / society ●●

534 The Corpus Juris Civilis codifies Roman law 0 cit. A commission under the jurist Tribonian gathered centuries of tangled Roman law into a single ordered body, begun in 529 and revised by 534. The Code, Digest, and Institutes preserved Roman legal thought and carried it to later ages. Rediscovered in the medieval west, it became the foundation of the civil-law tradition across much of Europe. culture / politics / society ●●●

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. 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 ●●

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 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 ●●

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. 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. 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. 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. 835 The church sets All Saints' and All Souls' at the start of November 0 cit. The feast of All Saints was fixed on November 1 and All Souls' on November 2, overlapping the old season of the dead. The eve became All Hallows' Eve, later Halloween. religion / society ●●

c. 862 Founding of Rus under Rurik 0 cit. According to the Primary Chronicle, the Varangian leader Rurik took power at Novgorod, an event later treated as the traditional starting point of the Rus state. The chronicle account is legendary and its details are debated by historians. politics / society ●●●●

c. 867 The Macedonian Renaissance revives Byzantine culture 0 cit. Under the Macedonian dynasty founded by Basil I the empire entered a long revival of power, wealth, and learning. Scholars copied and studied the classical Greek texts that later reached the west, and a refined art and scholarship flourished. This 'Macedonian Renaissance' preserved much of the ancient heritage that would feed later European culture. culture / politics / society ●●

869 to 883 The Zanj Rebellion 0 cit. Enslaved East Africans, known as the Zanj, rose in a massive revolt against the Abbasid Caliphate that lasted 14 years. It was one of the largest slave uprisings in history before it was crushed. society / war ●●●

885 Bagratid kingdom restores Armenian statehood 0 cit. As the caliphate weakens, Ashot I of the Bagratid (Bagratuni) family is recognized as king, reviving an independent Armenian state after centuries of foreign rule. The Bagratid kingdom oversees a revival of trade, architecture, and church building. It marks the last major era of medieval Armenian independence in the homeland. politics / society ●●

c. 900 Saqaliba and the word slave 0 cit. Medieval traders moved so many Slavic captives, called saqaliba, into Islamic lands that the ethnic name became the root of the word slave in several European languages. The trade ran across central and eastern Europe for centuries. culture / society ●●●

c. 900 Vikings and the thrall trade 0 cit. Norse raiders seized captives across the British Isles and eastern Europe and sold them as thralls. Slave trading was a major part of the Viking economy alongside raiding and settlement. economy / society ●●●

c. 900 Feudal monarchy organizes medieval Europe 0 cit. Kings granted land to lords in exchange for military service and loyalty, and lords in turn bound lesser nobles and peasants below them. Power was spread through a chain of personal obligations rather than a central state. politics / society ●●●●

c. 900 Jewish communities take root in the Rhineland 0 cit. Jewish traders and families settled in towns along the Rhine, drawn by bishops and rulers who wanted their commerce. These communities became the seed of Ashkenazi Jewry, a distinct branch named for Ashkenaz, the medieval Hebrew word for the German lands. Over the next century they built the synagogues, courts, and schools that would define Ashkenazi life for a thousand years. culture / religion / society ●●●

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 ●●●

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 ●●●