Blog topic
History articles
The Silk Roads, the printing press, Roman roads, the Rosetta Stone, the Black Death, Magna Carta, and the rise and fall of empires from Rome to the Ottomans, along with revolutions, world wars and how historians read sources. Most pieces argue that the familiar single cause is only part of the answer.
62 explainers, newest first. Each one ends with real questions from the unit that teaches it, so you can read the explanation and then check whether it stuck.
These are the readable companion to the History track, which holds 18 units and 2,115 practice questions. If you are starting the subject rather than looking something up, the study guide is the better place to begin.
Who Were the Samurai? Japan's Warrior Class From Rise to Abolition
The samurai were Japan's hereditary military class for seven hundred years, from provincial warriors to ruling clerks. Their code, and why they were abolished.
September 15, 20265 min readWho Were the Pirates of the Caribbean? The Golden Age of Piracy and Its End
For about thirty years around 1700 pirates ruled the sea lanes of the Caribbean. Who they were, how their ships were run, and how they were wiped out.
September 15, 20265 min readWhat Is Stonehenge? Who Built It, How, and What It Might Have Been For
Stonehenge is a circle of standing stones on Salisbury Plain, built and rebuilt over 1,500 years from about 3000 BC. Where the stones came from and why.
September 15, 20265 min readWhat Was the Great Wall of China For? Walls, Frontiers and a Myth About the Moon
The Great Wall is not one wall but many, built over two thousand years against the peoples of the steppe. What it was meant to do, what it did, and the myths.
September 15, 20265 min readHow Did Medieval Castles Work? Walls, Sieges and the End of the Fortress
A castle was a fortified home for a lord and a base for holding land, built to make attack expensive. How the defences evolved, and why cannon ended them.
September 15, 20265 min readWhat Happened on Easter Island? The Statues, the Trees and the Argument
Easter Island's people raised nearly a thousand giant statues and then, the story goes, cut down every tree and starved. What the evidence shows instead.
September 15, 20265 min readWho Invented the Wheel? Pottery, Carts and Why the Americas Did Without
The wheel appeared in several places around 3500 BC, and the hard part was not the disc but the axle. Where the evidence points, and why the Americas had none.
September 15, 20265 min readWhat Was Angkor? The Largest City of the Medieval World
Angkor was the capital of the Khmer Empire for six centuries, a city of perhaps a million people fed by canals and reservoirs. Its temples, and why it was left.
September 15, 20265 min readWhat Was the Colosseum For? Games, Crowds and the Politics of Rome
The Colosseum held 50,000 people for gladiator fights, animal hunts and executions, paid for by the emperor. How it was built, and why it mattered.
September 15, 20265 min readWhat Is Machu Picchu? An Inca Estate the Spanish Never Found
Machu Picchu is a fifteenth-century Inca royal estate on a ridge above the Urubamba, left within a century and unknown outside Peru until 1911. What it was for.
September 15, 20265 min readWhat Was the Plague of Justinian? The First Pandemic
In 541 AD bubonic plague reached Constantinople and killed perhaps a fifth of the eastern Roman Empire within two years. Where it came from, and what it did.
September 15, 20265 min readWhy Did the Industrial Revolution Run on Coal? Steam, Iron and the Fuel Under Britain
Britain industrialised first partly because it sat on coal that was cheap, shallow and close to the sea. How coal replaced wood, powered steam and made iron.
September 15, 20265 min readWhat Is Petra? The Rose City the Nabataeans Cut From Rock
Petra is a city in Jordan whose tombs and temples were cut into sandstone cliffs by Arab traders two thousand years ago. Who built it, and how it was lost.
September 15, 20265 min readWhat Is the Taj Mahal? A Tomb, a Grief and the Mughal Empire at Its Height
The Taj Mahal is a marble tomb at Agra built by the Mughal emperor Shah Jahan for his wife, who died in childbirth in 1631. Who built it, and what it means.
September 15, 20265 min readHow Did Cotton Shape the Modern World? Slavery, Mills and the Cloth Everyone Wears
Cotton was the first global industry, linking Indian weavers, African slaves, American planters and Lancashire mills. How a fibre made the modern world.
September 15, 20265 min readHow the Aztec Empire Rose and Fell in Under Two Centuries
The Mexica built a city on a lake, an empire of tribute across central Mexico, and a capital larger than any in Europe, then lost it all in two years.
September 14, 20265 min readWhat Was the Bronze Age Collapse? When Every Great Power Fell at Once
Around 1200 BCE the palaces of Greece, the Hittite empire and the cities of the Levant burned within a generation, writing vanished and trade stopped.
September 14, 20264 min readWhat Was the Age of Exploration? How Europe Mapped the World and Changed It
Between 1400 and 1600 European ships found sea routes to Asia and stumbled on two continents. What made the voyages possible and the exchange that followed.
September 14, 20264 min readWhat Was the Russian Revolution? From Tsar to Soviet Power in One Year
In 1917 Russia went from absolute monarchy to the first communist state in eight months. Why the Tsar fell, how Lenin took power, and what came after.
September 14, 20265 min readWhat Were the Crusades? Two Centuries of Holy War Explained
The Crusades were wars from 1095 to 1291 in which European Christians tried to seize and hold Jerusalem. Why they began, what happened, and what they left.
September 14, 20265 min readWho Were the Vikings? Raiders, Traders and Settlers From the North
The Vikings were Scandinavians who raided, traded and settled across Europe from about 790 to 1066. What drove them, where they went, and how it ended.
September 14, 20264 min readWho Was Cleopatra? The Last Queen of Egypt Beyond the Legend
Cleopatra VII ruled Egypt for twenty-one years, allied with Caesar and Antony, and lost to Octavian. What is known about her and what the Romans invented.
September 14, 20265 min readWho Was Napoleon? From Corsican Officer to Emperor of Europe
Napoleon Bonaparte rose from artillery lieutenant to master of Europe in fifteen years and lost it in three. His rise, his wars, his laws, and the argument.
September 14, 20265 min readWho Built the Egyptian Pyramids?
The evidence for a paid, organised workforce, how the blocks were moved, and why the slave theory does not hold up.
August 28, 20266 min readWhat Was the Scientific Revolution? A Clear History Guide
Explore how new observations, mathematics, experiments, and debates changed European ideas about nature and knowledge.
August 17, 20266 min readWhat Was the Haitian Revolution? A Clear History Guide
Learn how enslaved people overthrew French colonial rule and created independent Haiti after years of war and upheaval.
August 17, 20266 min readWhat Was the Mongol Empire? Conquest, Trade, and a Vast Eurasian Realm
Learn how Genghis Khan and his successors built a vast Eurasian empire that reshaped warfare, trade, travel, and politics.
August 17, 20266 min readWhat Was the Ottoman Empire? A Clear History Guide
Learn how a small frontier state became a major empire spanning southeastern Europe, western Asia, and North Africa.
August 17, 20266 min readWhat Is Mercantilism? Trade, Empire, and Economic Power
Learn how early modern states linked trade, precious metals, colonies, and government policy to national wealth and political power.
August 17, 20266 min readWhat Was the Abbasid Caliphate? A Guide to Baghdad and a Changing Empire
Learn how it rose in 750, ruled from Baghdad, supported scholarship and trade, and changed across several centuries.
August 17, 20265 min readWhat Was the Great Depression? Causes, Hardship, and Recovery
Learn what the Great Depression was, why the economic crisis spread after 1929, how people were affected, and how governments responded to mass hardship.
August 17, 20265 min readCauses of World War 2: How Tensions Grew into War
Causes of World War 2 include the postwar settlement, economic crisis, expansionist dictatorships, appeasement, and the invasion of Poland in 1939.
August 14, 20265 min readWhat Was the Cold War? A Clear Guide to the Global Rivalry
Learn how the US-Soviet rivalry shaped alliances, nuclear tension, proxy wars, propaganda, and politics after World War 2.
August 14, 20265 min readWhat Was the Protestant Reformation? A Clear History Guide
Learn how religious criticism, printing, politics, and reform movements reshaped Christianity and Europe.
August 14, 20266 min readWhat Was the Roman Republic? Government Before the Emperors
Learn how consuls, the Senate, assemblies, citizenship, and political conflict shaped Rome before imperial rule began.
August 14, 20265 min readWhat Was the Enlightenment? Ideas That Challenged Old Authority
Learn how reason, rights, science, and debate reshaped European thought and influenced politics across the Atlantic world.
August 14, 20266 min readFall of the Roman Empire: Why the Western Empire Collapsed
The fall of the Roman Empire, explained through political instability, military pressure, economic strain, and the gradual loss of western territory.
August 14, 20266 min readWhat Was the Byzantine Empire? Rome's Eastern Empire Explained
Learn how the eastern Roman state centred on Constantinople survived, changed, and influenced Europe and Asia.
August 14, 20266 min readWhat Was Feudalism? A Simple Guide to Medieval Power and Land
Learn how land, loyalty, lords, vassals, and local obligations shaped political and social relationships in medieval Europe.
August 14, 20266 min readWhat Was the Neolithic Revolution? How Farming Changed Human Life
Learn how farming, animal domestication, villages, and new technologies changed human societies over time.
August 14, 20266 min readWhat Was Athenian Democracy? How Citizens Governed Ancient Athens
Learn how assemblies, councils, juries, and citizen participation worked, and who was excluded from political power.
August 14, 20266 min readCauses of World War 1: How a Regional Crisis Became a Global War
Explore the causes of World War 1, including alliances, militarism, imperial rivalry, nationalism, and the July Crisis after the assassination at Sarajevo.
August 13, 20265 min readWhat Was the Renaissance? A Clear Guide to the European Renaissance
Learn how art, scholarship, printing, trade, and humanism shaped a major period of cultural change across early modern Europe.
August 13, 20265 min readCauses of the French Revolution: Why the Old Regime Collapsed
Explore the causes of the French Revolution, from social inequality and state debt to food prices, political conflict, and the crisis of 1789.
August 13, 20265 min readHow Women's Suffrage Movements Won Voting Rights
Women's suffrage movements challenged laws that excluded women from political voting. Their campaigns used petitions, organising, public protest and long-term pressure, with progress arriving at different times in different countries.
August 8, 20266 min readHow the Domesday Book Recorded Medieval England
The Domesday survey of 1086 gathered detailed information about land, wealth and obligations across much of England. It helped William the Conqueror understand the resources and landholders of his kingdom.
August 8, 20265 min readHow the Ancient Olympic Games Worked
The ancient Olympic Games were a religious festival and athletic competition held at Olympia. Their events, rules and participants differed greatly from the modern international Olympics.
August 5, 20265 min readHow the Telegraph Changed Long-Distance News
The electric telegraph allowed messages to travel through wires far faster than people or printed letters. It transformed news, business, government and the experience of distance.
August 5, 20265 min readHow Ancient Libraries Preserved Knowledge
Ancient libraries collected, copied and organised texts on clay, papyrus and parchment. Their survival depended on scribes, institutions, trade and repeated copying rather than one perfectly protected building.
August 5, 20265 min readHow the Meiji Restoration Transformed Japan
The Meiji Restoration ended Tokugawa rule and returned political authority to the emperor in 1868. Japan then changed its government, military, economy and education at remarkable speed.
August 4, 20266 min readHow Magna Carta Began to Limit Royal Power
Magna Carta was a practical agreement forced on King John in 1215. It did not create modern democracy, but some of its principles became important in later arguments about law, rights and government power.
July 29, 20265 min readHow the Industrial Revolution Reshaped Cities
Factories drew workers and investment into rapidly growing towns during the Industrial Revolution. The change created jobs and new goods, but it also brought overcrowding, pollution and pressure for reform.
July 29, 20265 min readHow Polynesian Navigators Crossed the Pacific
Polynesian navigators travelled across vast ocean distances using stars, waves, winds, birds and memory. Their voyages connected islands across one of the largest regions of settlement in human history.
July 29, 20265 min readHow Quipu Helped the Inca Record Information
The Inca used knotted cords called quipu to organise numerical information across a vast empire. Their colours, positions and knots supported administration without an alphabetic writing system.
July 29, 20265 min readHow Historians Read Primary Sources Carefully
Letters, laws, photographs and objects can bring you close to the past, but they never speak for themselves. Historians ask who created a source, why it was made and what it leaves out.
July 26, 20265 min readHow the Rosetta Stone Helped Unlock Egyptian Hieroglyphs
The Rosetta Stone preserved one decree in three scripts. Comparing those versions gave scholars the clues they needed to read a writing system that had been silent for centuries.
July 26, 20265 min readHow the Black Death Changed Medieval Europe
The Black Death killed a vast share of Europe's population in the fourteenth century. The loss brought grief and disruption, but it also changed work, wealth, public rules and relationships between social groups.
July 26, 20265 min readHow Cuneiform Changed Life in Early Cities
Cuneiform began as a practical system for tracking goods and work. Over time, it grew into a flexible form of writing used for laws, letters, stories and learning.
July 26, 20265 min readThe Silk Road Was More Than One Road
The Silk Road was a wide network of routes linking distant regions. Goods travelled along it, but so did inventions, beliefs, languages and diseases.
July 24, 20265 min readHow the Printing Press Changed the Spread of Ideas
Movable type made books faster and cheaper to produce in Europe. It helped more people encounter the same texts, arguments and discoveries.
July 24, 20265 min readHow Roman Roads Connected a Vast Empire
Roman roads moved soldiers, messages, traders and officials across long distances. Their careful construction helped turn scattered territories into a more connected empire.
July 24, 20265 min readA Beginner's Guide to Learning History
History can feel like a blur of names and dates. Treat it as a story of people and choices, and it turns into one of the most fascinating subjects there is.
January 29, 20266 min read