Time travel
6th century AD
Justinian's lawyers freeze a thousand years of Roman jurisprudence into a single code while his generals spend the empire's strength retaking Italy, and a plague arrives that no one can explain.
Mental Worlds: Evidence and Inference
To an educated person in Constantinople this century feels like the recovery of something almost lost and then, abruptly, like a judgement. Justinian's law commission is not presented as an innovation but as a rescue: the jurists' opinions have grown so many and so contradictory that no one can say what the law is, and the emperor's remedy is to fix it, declare the rest void, and forbid commentary on the result. That confidence is everywhere at first. Hagia Sophia goes up in five years and the dome seems, as the court poet says, to hang from heaven on a golden chain. Africa falls to Belisarius in a season. Italy, everyone assumes, will follow.
Italy does not follow. The Gothic war grinds on for twenty years and leaves the peninsula so wrecked that the recovery is worth less than the campaign cost, and within a generation the Lombards take most of it anyway. Then, in 541, ships from Egypt bring something no one has a name for. Procopius describes it carefully because description is all anyone can offer: the sudden fever, the swellings at groin and armpit, the delirium, the carts. He says plainly that no cause can be assigned, that physicians who opened the bodies learned nothing useful, and that the disease respected neither piety nor precaution. It returns in waves for two centuries. The sense that the empire is being reduced rather than restored belongs to the second half of this century, not the first.
In the Latin west the mood is different because the expectation is lower. Boethius, waiting to be killed by a Gothic king he had served, writes a dialogue in which Philosophy explains that fortune's wheel was never anyone's to hold, and the argument is Greek but the situation is entirely of this moment. Cassiodorus, retiring from that same court, decides that the useful thing left to do is copy books, and builds a monastery around the task. Benedict writes a rule that assumes its readers are not heroes: enough sleep, enough food, work and prayer in fixed proportion, and an abbot instructed to consult even the youngest monk because God often reveals the better course to the junior. These are not the documents of a civilisation expecting rescue. They are the documents of people arranging what can be preserved.
Eastward the horizon is wider than any Roman map admits. Chinese unification under the Sui closes three centuries of division and immediately begins the canal works that will bind north to south. In India, Aryabhata states that the apparent motion of the stars is caused by the earth turning, and gives a value for pi that is closer than anything the Greeks left. Buddhist painters at Ajanta finish work that will not be matched. Sasanian Persia under Khosrow is a serious intellectual rival, sheltering philosophers the Academy at Athens can no longer keep after Justinian closes it in 529, and translating Indian medicine and Greek logic into Middle Persian.
What no one in this century can see is which of these things will last. A reasonable observer would bet on the reconquest and against the monasteries. The law code looks like the great achievement, and it is, but not for the reason Justinian intended: it survives not as living Roman administration but as a text, waiting in Italian libraries for lawyers five hundred years later to rediscover. The plague looks like a divine verdict on a specific reign. The scriptorium looks like a retirement hobby. The Rule looks like a set of house arrangements for one hillside in Campania.
The political map
Major Polities and Cultural Regions
- Eastern Roman Empire Anatolia, the Balkans, the Levant and Egypt, with Justinian's reconquests in Africa, Italy and southern Spain
- Sasanian Empire Iran, Mesopotamia and the Gulf, contesting the Roman frontier under Khosrow I
- Ostrogothic and then Byzantine Italy the Italian peninsula, ruined by twenty years of Gothic war and taken by the Lombards from 568
- Merovingian Francia Gaul and the Rhineland, divided repeatedly among Clovis's heirs
- Northern and Southern Dynasties, then Sui China, reunified by the Sui in 589 after nearly three centuries of division
- Gupta successor kingdoms northern India, fragmenting after Hunnic pressure
- Aksum the Ethiopian highlands and, for part of the century, Himyar across the Red Sea
Borders are approximate scholarly reconstructions from historical-basemaps (GPL-3). Nearest available basemap anchor year: AD 500.
State of the domains
Texts and Written Culture
Justinian's commission under Tribonian produces the Digest, Institutes and Codex between 529 and 534, compressing centuries of juristic opinion into a working system and declaring everything omitted to be without force. Romanos the Melodist composes kontakia for Constantinople's liturgy, dramatic sung sermons in which biblical figures argue in the voices of the street. Boethius, awaiting execution in Pavia, writes the Consolation of Philosophy, and Cassiodorus founds Vivarium so that copying manuscripts becomes a form of monastic labour. Benedict's Rule sets out a moderate daily order that will govern western monasteries for a millennium.
Art
Ravenna's San Vitale and Sant'Apollinare in Classe receive mosaic programmes of extraordinary confidence, Justinian and Theodora facing each other across the sanctuary in panels of gold tesserae set at deliberate angles to catch lamplight. In Constantinople, Anthemius of Tralles and Isidore of Miletus raise Hagia Sophia in five years, its dome floating on a ring of windows. Sasanian silver and silk carry royal hunting scenes eastward along the trade roads, and Buddhist cave painting at Ajanta reaches its finest phase.
Medicine
Alexander of Tralles writes twelve books of practical therapeutics, drawing on Galen but willing to depart from him where his own cases disagree. Aetius of Amida compiles a vast medical encyclopedia at the imperial court. From 541 the plague that reaches Constantinople from Egypt defeats every explanation available: Procopius records the buboes, the sudden fevers and the carts of dead, and concludes honestly that no cause can be assigned and no treatment reliably helps.
Science
John Philoponus attacks Aristotle's physics directly, arguing against the eternity of the world and denying that bodies fall at speeds proportional to their weight, a criticism that will surface again in Latin Europe a thousand years later. Aryabhata, writing in India at the century's opening, gives a value for pi accurate to four decimal places and explains day and night by the earth's rotation. Cosmas Indicopleustes argues instead for a flat, tabernacle-shaped world, and is not much believed by the learned.
Military
Belisarius retakes North Africa from the Vandals in a single season and then grinds through Italy against the Ostrogoths for two decades, a war that ruins the peninsula it was meant to recover. Sasanian and Roman armies fight along the Mesopotamian frontier with heavy cavalry on both sides. The stirrup spreads westward from the steppe with the Avars, and Procopius describes the mounted archer as the decisive arm of the age.
Technology
Sericulture reaches Constantinople when, by Procopius's account, monks smuggle silkworm eggs out of the east in hollow canes, breaking the Persian monopoly on raw silk. Pendentive vaulting at Hagia Sophia solves the problem of setting a round dome on a square plan. Water mills multiply across the Mediterranean and the north, and in China the first true suspension and segmental arch bridge work is under way at Zhaozhou.
New this century
- The Literary Mind and the Carving of Dragons
The first systematic theory of literature in Chinese treats writing as an expression of cosmic pattern, then works genre by genre through what each form requires.
- Verse Homilies
Hundreds of metrical homilies expound scripture in a Syriac verse line so consistent it is named after him, developing biblical episodes into extended meditation rather than argument.
- Pramanasamuccaya
A Buddhist logician reduces the valid means of knowledge to two, perception and inference, and rebuilds Indian epistemology around what each can and cannot deliver.
- Commentary on the Water Classic
A commentary that swallows its original describes more than a thousand rivers with their courses, cities, ruins and local histories, becoming the foundational work of Chinese historical geography.
- Consolation of Philosophy
A condemned minister argues himself out of self-pity by having Philosophy demonstrate that fortune never belonged to him, and that providence and human freedom are reconciled by a God who sees all time at once.
- On the Eternity of the World against Proclus
A Christian Aristotelian attacks the pagan doctrine of an eternal world on Aristotle's own terms, and in doing so denies that heavier bodies fall faster in proportion to their weight.
- Rule of Saint Benedict
A monastic rule written for people who are not heroes fixes a moderate daily order of prayer, work and sleep, and makes obedience to an abbot who must himself take counsel the centre of the common life.
- Wen Xuan
An imperial prince selects a thousand years of Chinese writing into thirty scrolls arranged by genre, and thereby fixes which earlier works later generations would read.
- Corpus Juris Civilis
A single imperial commission compresses a thousand years of Roman juristic opinion into an authoritative body, declares everything left out to be without force, and forbids commentary on the result.
- Kontakia
Sung verse sermons give biblical figures argumentative voices, turning the liturgy into drama in a Greek pitched at the congregation rather than the schools.
- Essential Techniques for the Common People
The most complete agricultural manual to survive from the ancient world sets out crop rotation, soil treatment, fermentation and animal husbandry in ninety-two chapters of tested practice.
- Babylonian Talmud
Centuries of academy debate are set down not as settled rulings but as the arguments themselves, so that the reasoning, including the rejected reasoning, becomes the object handed on.
- Brihat Samhita
An encyclopedic survey of everything held to be predictable, from planetary motion and rainfall to architecture and gemstones, written by an astronomer who states plainly where his sources disagree.
- Wars
A secretary who accompanied the campaigns writes the Persian, Vandal and Gothic wars in the manner of Thucydides, and records the plague of 541 with an honesty about ignorance that the genre did not require.
- Institutiones
A retired minister turns manuscript copying into a monastic vocation, and writes the handbook that tells his monks which books to obtain, how to correct them and why the secular disciplines are worth keeping.
- Kalila and Dimna, Middle Persian version
An Indian frame-tale collection of animal fables is carried into Middle Persian at the Sasanian court, becoming the hinge through which it later reaches Arabic, Syriac and every European language.
- Family Instructions of Master Yan
A man who served four short-lived dynasties writes his sons a candid manual on how a family keeps its learning and its footing when states do not last.
- Pastoral Rule
A pope sets out what a bishop owes the people in his care, arguing that the same truth must be preached differently to the poor and the rich, the grieving and the complacent.
- Ten Books of Histories
A Gallo-Roman bishop writes the Frankish kingdoms as they are rather than as they should be, in a Latin he apologises for, and produces the only detailed narrative of sixth-century Gaul.
- Great Calming and Contemplation
Lectures taken down by a disciple set out a complete Buddhist meditation system and, with it, the classification scheme that organises the whole canon into one coherent teaching.
The canon by now
- Pyramid Texts
- Royal Inscriptions of Sargon of Akkad
- The Exaltation of Inanna
- The Curse of Agade
- Coffin Texts
- Admonitions of Ipuwer
- Eloquent Peasant
- Code of Hammurabi
- Old Babylonian Gilgamesh (Pennsylvania and Yale Tablets)
- Inanna's Descent to the Netherworld
- Edwin Smith Surgical Papyrus
- Book of the Dead
- Rigveda
- Baal Cycle
- Ludlul Bel Nemeqi
- Epic of Gilgamesh
- Instruction of Amenemope
- Gathas
- Book of Songs
- Torah
- I Ching (Book of Changes)
- Mahabharata
- Iliad
- Odyssey