Facts
The canonical entries — direct answers to the questions schools teach. Each one links back to the strangest stories on the site.
75 facts so far.
Abraham Lincoln
Abraham Lincoln (1809–1865) was the 16th president of the United States, serving from March 1861 until his assassination in April 1865. He led the Union through the American Civil War, issued the Emancipation Proclamation that began the legal end of chattel slavery in the United States, and was the first American president to be assassinated.
Alexander the Great
Alexander III of Macedon (356–323 BC) was the king of the Hellenic kingdom of Macedon who, between 336 and 323 BC, conquered the Achaemenid Persian Empire and built the largest empire of the classical world before his death at age 32. His campaigns spread Greek language and culture across the Near East, Egypt, and Central Asia, producing the Hellenistic civilization that lasted for the next three centuries.
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Ancient Egypt
Ancient Egypt was a civilisation along the Nile River that lasted from approximately 3100 BC, when Upper and Lower Egypt were unified under the first pharaoh, until the Roman conquest in 30 BC. It is one of the longest-continuous civilisations in human history.
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Ancient Greece
Ancient Greece was the Greek-speaking civilisation of the eastern Mediterranean from approximately 800 BC to 146 BC, when it was absorbed into the Roman Republic. Its philosophy, mathematics, drama, and political theory shaped Western thought for the next 2,500 years.
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Ancient Rome
Rome was a city-state in central Italy that grew into the dominant power of the Mediterranean world. It was traditionally founded in 753 BC; the Western Roman Empire ended in 476 AD. The civilisation lasted approximately 1,200 years.
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Augustus
Augustus (63 BC – 14 AD), born Gaius Octavius and known earlier as Octavian, was the first Roman emperor. After winning the civil war that followed the assassination of his adoptive father Julius Caesar, he established a new political system — the Principate — that ended the Roman Republic in fact while preserving its forms. He ruled Rome for 40 years and died at age 75.
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Charlemagne
Charlemagne (Charles the Great, c. 742–814 AD) was a Frankish king who united most of western and central Europe under his rule and was crowned Holy Roman Emperor by Pope Leo III on Christmas Day 800. He is the founder of the medieval European state system.
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Christopher Columbus
Christopher Columbus (c. 1451–1506) was a Genoese navigator whose four Spanish-sponsored voyages between 1492 and 1504 opened sustained European contact with the Americas. He never accepted that the lands he reached were a previously unknown continent, believing to the end that he had found a westward sea route to Asia.
Cleopatra
Cleopatra VII Philopator (69–30 BC) was the last active ruler of the Ptolemaic Kingdom of Egypt and the last reigning Macedonian-Greek monarch of the Hellenistic world. Her political alliances with Julius Caesar and Mark Antony made her central to the closing decades of the Roman Republic. Her suicide in August 30 BC ended both the Ptolemaic dynasty and three centuries of Hellenistic rule in Egypt.
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Elizabeth I
Elizabeth I (1533–1603) was Queen of England and Ireland from 1558 to 1603, the last Tudor monarch, and the most studied female sovereign in English history. Her 44-year reign produced the Elizabethan religious settlement, the defeat of the Spanish Armada in 1588, the literary culture of Shakespeare, and the early phase of English overseas exploration and empire.
Hannibal
Hannibal Barca (247–c. 183 BC) was a Carthaginian general who invaded Italy with elephants across the Alps in 218 BC and won three of the most famous victories in military history against the Roman Republic. After his eventual defeat at Zama in 202 BC he served as Carthaginian chief magistrate, then as advisor to the Seleucid king Antiochus III, before killing himself in exile in Bithynia to avoid Roman capture.
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Henry VIII
Henry VIII (1491–1547) was King of England from 1509 to 1547, the second Tudor monarch, and one of the most consequential figures of 16th-century European history. His six marriages, his break with the Roman Catholic Church to obtain a divorce, and his consequent founding of the Church of England produced the English Reformation and the constitutional separation of church and state in England.
Indian Independence
Indian independence is the political event of 15 August 1947, when the British government formally ended its rule over the Indian subcontinent and transferred sovereignty to the two new states of India and Pakistan. The largest single act of decolonization in human history, the independence was accompanied by Partition — the division of the subcontinent along religious lines — and by mass communal violence that killed approximately 1–2 million people.
Julius Caesar
Gaius Julius Caesar (100–44 BC) was a Roman general, politician, and historian whose conquest of Gaul, civil war against the senate-aligned Pompey, and dictatorial rule of Rome marked the effective end of the Roman Republic. His assassination on the Ides of March 44 BC triggered a second civil war that ended with his adopted heir Octavian becoming the first Roman emperor.
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Magna Carta
Magna Carta was a charter of liberties forced on King John of England by his rebellious barons and sealed at Runnymede on 15 June 1215. Although immediately repudiated, it was reissued repeatedly through the 13th century and became the foundational document of English constitutional law, establishing the principle that royal authority was subject to written legal limits.
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Mahatma Gandhi
Mohandas Karamchand Gandhi (1869–1948), known as Mahatma ('great-souled') Gandhi, was an Indian lawyer, anti-colonial nationalist, and political ethicist who led the campaign for Indian independence from British rule through sustained nonviolent civil resistance. He was assassinated by a Hindu nationalist five months after Indian independence.
Marco Polo
Marco Polo (1254–1324) was a Venetian merchant who travelled from Venice to the court of Kublai Khan in China and remained in Mongol service for approximately seventeen years before returning to Venice in 1295. His account of the journey, dictated to the romance writer Rustichello da Pisa in a Genoese prison around 1298, became the most widely circulated European description of East Asia for the next three centuries.
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Medieval Japan
Medieval Japan refers to the period from the late 12th to the late 16th century in which political authority shifted from the imperial court at Kyoto to a succession of military governments (*bakufu*) led by hereditary shōguns. The period produced the institutional and cultural forms — feudal land tenure, the samurai warrior class, Zen Buddhism, and the political-cultural code of *bushidō* — that define traditional Japanese society in Western imagination.
Napoleon
Napoleon Bonaparte (1769–1821) was a French military commander and emperor who dominated European politics from his coup in 1799 to his final defeat at Waterloo in 1815. His campaigns conquered most of continental Europe, his civil code became the foundation of European civil law, and his consolidation of post-revolutionary institutional reform shaped modern European government.
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Pompeii
Pompeii was a Roman provincial town of approximately 11,000 to 12,000 people on the Bay of Naples in southern Italy. It was buried under approximately 20 feet of volcanic pumice and ash during the eruption of Mount Vesuvius in late October 79 AD. The site has been continuously excavated since 1748 and is the most thoroughly documented archaeological site of Roman urban life.
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Queen Victoria
Queen Victoria (1819–1901) was Queen of the United Kingdom of Great Britain and Ireland from 1837 to 1901 and Empress of India from 1876. Her 63-year, seven-month reign — the longest of any British monarch before Elizabeth II — coincided with the British Empire's territorial maximum, the Industrial Revolution's mature phase, and the political-cultural period subsequently called *Victorian*.
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Saladin
Salah ad-Din Yusuf ibn Ayyub (1137/38–1193), known in the West as Saladin, was a Kurdish-born Muslim sultan who united Egypt and Syria under his Ayyubid dynasty, recaptured Jerusalem from the Crusaders in 1187, and fought the Third Crusade to a negotiated stalemate against Richard the Lionheart. He remained a symbol of Muslim political success and chivalric honour in both European and Middle Eastern memory.
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Sparta
Sparta was a Greek city-state in the Eurotas valley of the southern Peloponnese, distinguished from the rest of classical Greek civilization by its highly militarized social system, its dual hereditary kingship, and its sustained dominance of mainland Greek military affairs from the 7th to the 4th centuries BC. Its eclipse at the Battle of Leuctra in 371 BC effectively ended Spartan great-power status.
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The Age of Exploration
The Age of Exploration was the roughly two-century period from the early 15th to the mid-17th century during which European maritime powers — initially Portugal and Spain, then the Netherlands, England, and France — systematically explored and mapped the global ocean coastline, opened sustained European contact with East Asia, the Americas, Africa, and the Pacific, and established the first global trade and colonial systems.
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The American Civil War
The American Civil War was the armed conflict between the United States federal government and the eleven slave-holding southern states that formed the Confederate States of America between 1861 and 1865. The deadliest war in American history, it ended the institution of chattel slavery in the United States and produced the constitutional reorganization of the federal-state relationship that has defined the modern American political order.
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The American Revolution
The American Revolution was the political-military conflict between the thirteen British North American colonies and the British Crown between 1765 and 1783, producing the independence of the United States of America and the most consequential single political event of the late 18th century outside the French Revolution.
The Atlantic Slave Trade
The Atlantic Slave Trade was the forced transportation of approximately 12.5 million enslaved Africans across the Atlantic Ocean between approximately 1525 and 1867, primarily to the Americas. The largest forced migration in human history, it was the demographic foundation of the early modern Atlantic plantation economy and produced consequences for African, American, and European societies that have continued into the 21st century.
The Aztec Empire
The Aztec Empire (more precisely the Triple Alliance of Tenochtitlán, Texcoco, and Tlacopan) was the dominant Mesoamerican state at the time of the Spanish conquest in 1519–1521. Centred on the lake-city of Tenochtitlán in central Mexico, it ruled a tributary network of approximately 5–6 million people and was destroyed by the combined forces of Hernán Cortés, his Spanish soldiers, and the Aztec subject peoples who joined him.
The Belle Époque
The Belle Époque was the period of European prosperity, peace, and cultural flourishing between 1871 (the end of the Franco-Prussian War) and 1914 (the outbreak of World War I). The term, French for 'Beautiful Era,' was applied retrospectively after the trauma of the First World War.
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The Black Death
The Black Death was a plague pandemic that swept Eurasia and North Africa between 1346 and 1353, killing an estimated 75–200 million people. It is the deadliest pandemic in recorded human history.
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The British Empire
The British Empire was the largest empire in world history, ruling at its 1920s peak approximately one-quarter of the global population and one-quarter of the world's land area. Built progressively over four centuries from the late-Tudor maritime ventures to the post-WWII decolonization, it produced the modern English-speaking world, the global political dominance of the common-law tradition, and the foundational institutions of modern international finance and trade.
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The Byzantine Empire
The Byzantine Empire was the eastern continuation of the Roman Empire, centred on Constantinople, that survived the fall of the western Roman Empire in 476 AD and continued for almost a thousand years thereafter, until the Ottoman conquest of Constantinople in 1453. It preserved Roman law, Greek learning, and Orthodox Christianity through the European Middle Ages.
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The Cold War
The Cold War was the geopolitical, ideological, economic, and military rivalry between the United States and its Western allies and the Soviet Union and its Eastern bloc allies, from approximately 1947 to 1991. Conducted primarily through proxy wars, nuclear arms competition, ideological-cultural conflict, and substantial economic-political competition, it shaped global politics for nearly half a century and ended with the collapse of the Soviet Union.
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The Crusades
The Crusades were a series of religious wars sanctioned by the Catholic Church, primarily aimed at recovering the Holy Land from Muslim control, between 1095 and 1291. They reshaped the medieval Mediterranean and produced two centuries of Christian-Muslim military conflict.
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The Cuban Missile Crisis
The Cuban Missile Crisis was the 13-day Cold War confrontation between the United States and the Soviet Union in October 1962 over Soviet deployment of nuclear missiles in Cuba. It is the closest the world has come to nuclear war and the foundational case study of modern crisis diplomacy.
The English Civil War
The English Civil War was a sequence of armed conflicts between the supporters of King Charles I and the supporters of Parliament between 1642 and 1651, ending with the execution of the king in 1649 and the establishment of a republican Commonwealth under Oliver Cromwell. It is the foundational moment of the English constitutional tradition of parliamentary supremacy.
The Enlightenment
The Enlightenment was an 18th-century European intellectual movement that emphasized reason, individual liberty, scientific inquiry, religious tolerance, and constitutional government. It produced the political philosophy behind the American and French Revolutions, the social-contract tradition of modern political theory, and the institutional secularism of the modern state.
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The Fall of Rome
The Fall of Rome refers to the gradual collapse of the Western Roman Empire over the 5th century AD, conventionally dated to 4 September 476 when the Germanic general Odoacer deposed the last Western emperor. The Eastern Roman Empire continued for another thousand years.
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The Fall of the Berlin Wall
The Berlin Wall fell on the night of 9 November 1989 when, following weeks of escalating East German political crisis and the announcement of relaxed travel regulations, East German border guards opened the checkpoints between East and West Berlin to the crowds gathered on both sides. The event is the conventional symbolic end of the Cold War and the trigger for the rapid political reunification of Germany in 1990.
The French Revolution
The French Revolution was a period of radical political and social transformation in France that lasted from 1789 to 1799. It abolished the absolute monarchy, established the principle of popular sovereignty, and reshaped political thought across Europe for the following two centuries.
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The Great Depression
The Great Depression was the most severe and prolonged economic collapse of the 20th century, beginning with the United States stock market crash of October 1929 and continuing through most of the 1930s. It produced approximately 25% unemployment in the United States at its 1933 peak, comparable collapses across the industrialized world, and the political conditions that contributed to the rise of European fascism and the Second World War.
The Hanseatic League
The Hanseatic League was a medieval and early modern commercial confederation of merchant guilds and trading cities along the coasts of northern Europe, dominating Baltic and North Sea trade from approximately the 13th to the 17th century. At its peak it included nearly 200 cities and ran fortified trading posts (*Kontore*) from London to Novgorod.
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The Holocaust
The Holocaust (in Hebrew, *Shoah*) was the systematic, state-sponsored persecution and murder of approximately 6 million European Jews by Nazi Germany and its collaborators between 1933 and 1945. Approximately 5 million additional victims — Soviet POWs, Polish civilians, Romani people, disabled individuals, political opponents, gay men, Jehovah's Witnesses, and others — were also murdered in the broader Nazi extermination project.
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The Holy Roman Empire
The Holy Roman Empire was a complex political confederation of central-European territories that existed from 800 (or 962) to 1806. At various points it included most of modern Germany, Austria, the Czech Republic, the Low Countries, Switzerland, and parts of Italy and France. It was never a unified state in the modern sense; its emperor was elected by a small group of princes and shared sovereignty with hundreds of semi-autonomous territorial rulers.
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The Hundred Years' War
The Hundred Years' War was a series of armed conflicts between the kingdoms of England and France that lasted from 1337 to 1453. It originated in a dispute over the French throne and ended with the expulsion of English forces from all of France except Calais.
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The Inca Empire
The Inca Empire (*Tawantinsuyu*) was the largest pre-Columbian state in the Americas, extending along the Andean spine of South America from modern southern Colombia to central Chile. Founded in the early 15th century and at its peak around 1500, it was destroyed by the Spanish conquistador Francisco Pizarro and his force in a campaign of 1532–1572.
The Industrial Revolution
The Industrial Revolution was the transition from agrarian and handicraft economies to industrial and machine manufacturing that began in Britain in the late 18th century and spread across Europe, North America, and parts of Asia over the following 150 years. It is the most consequential economic transformation in human history since the Neolithic adoption of agriculture.
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The Knights Hospitaller
The Knights Hospitaller were a medieval Catholic military religious order founded in Jerusalem around 1099 to provide medical care to pilgrims. They became a major military force during the Crusades, ruled Rhodes (1310–1522) and Malta (1530–1798), and survive today as a sovereign Catholic chivalric order.
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The Knights Templar
The Knights Templar were a Catholic military religious order founded around 1119 to protect Christian pilgrims in the Crusader Holy Land. Over the next two centuries they became a major international banking and military organization, were suppressed in 1312 by Pope Clement V under pressure from King Philip IV of France, and produced one of the foundational case studies of medieval institutional power and its destruction.
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The Library of Alexandria
The Library of Alexandria was the largest collection of texts in the ancient Mediterranean. It was founded by the Ptolemaic dynasty in Egypt in the early 3rd century BC and declined gradually over the following six centuries. The single-fire-destroys-everything story is a myth.
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The Medici
The Medici were an Italian banking family that rose from late-13th-century Florentine obscurity to dominate the politics and culture of Renaissance Florence for nearly three centuries, producing four popes, two queens of France, and the financial-political patronage that funded the Italian Renaissance.
The Meiji Restoration
The Meiji Restoration was the political revolution of 1868 that overthrew the Tokugawa shogunate, restored direct imperial rule under the young Emperor Meiji, and inaugurated a sustained program of state-directed modernization that transformed Japan into the first non-Western great power within a single generation.
The Mongol Empire
The Mongol Empire was the largest contiguous land empire in history, founded by Genghis Khan in 1206 and reaching its greatest extent under his successors by 1279. It controlled, at peak, approximately 24 million square kilometres of central and eastern Eurasia and approximately 110 million people.
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The Napoleonic Wars
The Napoleonic Wars were a sequence of seven European coalition wars fought from 1803 to 1815 between France under Napoleon Bonaparte and successive alliances of European powers. They were the largest sustained European military conflict between the Thirty Years' War and the First World War, killing approximately 3.5 million soldiers and civilians and producing the political-territorial reorganization of Europe at the Congress of Vienna.
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The Norman Conquest
The Norman Conquest was the 11th-century invasion and political takeover of Anglo-Saxon England by William, Duke of Normandy, culminating in his decisive victory at the Battle of Hastings on 14 October 1066 and his coronation as King William I on Christmas Day 1066. It produced the most thorough replacement of a ruling class in medieval European history and reshaped English language, law, and political institutions for the next nine centuries.
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The Opium Wars
The Opium Wars were two armed conflicts in the mid-19th century in which Britain (with French support in the second war) forced the Qing Empire of China to legalize the import of British-Indian opium, open additional treaty ports to European commercial access, cede Hong Kong, and accept the legal-diplomatic system of *unequal treaties* that would define China's relationship with the European powers for the next century.
The Ottoman Empire
The Ottoman Empire was a Turkish-Muslim state that ruled much of southeastern Europe, western Asia, and northern Africa from approximately 1299 to 1922. It was one of the longest-continuous empires in world history and the dominant Islamic power for most of its existence.
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The Persian Empire
The Persian Empire usually refers to the Achaemenid Empire (550–330 BC), the largest empire of the ancient world by territory and the dominant state of the Near East for two centuries. Founded by Cyrus the Great and destroyed by Alexander the Great, it produced the first imperial administration of Eurasian scale, the great kingship tradition of the ancient Near East, and the cultural-religious tradition of Zoroastrianism.
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The Plantagenets
The Plantagenets were the royal dynasty that ruled England from 1154 to 1485, beginning with Henry II and ending with Richard III at the Battle of Bosworth Field. The dynasty produced fourteen English kings, the Magna Carta, the Hundred Years' War, the Wars of the Roses, and the constitutional foundations of the English state.
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The Punic Wars
The Punic Wars were three wars fought between Rome and Carthage from 264 to 146 BC for control of the western Mediterranean. They produced Hannibal's invasion of Italy, the eventual destruction of Carthage, and the transformation of Rome from a regional Italian power into the dominant state of the Mediterranean world.
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The Reformation
The Reformation was a 16th-century religious movement that split Western Christianity into Catholic and Protestant branches. It began with Martin Luther's challenge to the Catholic Church in 1517 and produced a reorganisation of European religion, politics, and culture that has lasted to the present.
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The Renaissance
The Renaissance was a cultural and intellectual movement in Europe between approximately 1400 and 1600 that revived classical Greek and Roman learning, produced new art and science, and laid the groundwork for the modern world. It began in northern Italy and spread north and west across the continent.
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The Roman Empire
The Roman Empire was the post-Republican period of Roman government, conventionally dated from Augustus's settlement of 27 BC. It was the dominant political and economic system of the Mediterranean world for the next five centuries in the west and the next fifteen centuries in the east, and produced the most consequential political, legal, linguistic, and cultural legacy of any premodern state.
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The Roman Republic
The Roman Republic was the constitutional period of Roman government between the overthrow of the last king in 509 BC and the establishment of the principate by Augustus in 27 BC. Over those four-and-a-half centuries, Rome grew from a single Italian city-state into the dominant power of the Mediterranean and developed the political institutions that defined Western republican government for two thousand years.
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The Russian Revolution
The Russian Revolution was the political upheaval of 1917 that ended the Romanov dynasty, established the world's first communist state, and reshaped 20th-century global politics. Two distinct revolutions in February and October 1917 first overthrew the tsarist autocracy and then transferred power to the Bolshevik Party under Vladimir Lenin.
The Scientific Revolution
The Scientific Revolution was the period of intellectual change in Europe between approximately 1543 and 1687 during which modern science emerged from medieval natural philosophy. It produced heliocentric astronomy, classical mechanics, and the methodological commitment to mathematical and experimental method.
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The Spanish Armada
The Spanish Armada was the 130-ship fleet sent by King Philip II of Spain to invade Elizabethan England in summer 1588. Its defeat by English naval action, adverse weather, and Spanish operational difficulties secured the Elizabethan religious settlement, established English naval reputation, and inaugurated a half-century of Anglo-Spanish maritime conflict.
The Spanish Civil War
The Spanish Civil War was the armed conflict between the elected Republican government of Spain and the Nationalist military coalition under General Francisco Franco between July 1936 and April 1939. It killed approximately 500,000 people, ended in Franco's victory, and produced a 36-year nationalist dictatorship that lasted until Franco's death in 1975.
The Spanish Empire
The Spanish Empire was the first global empire of European history and at its 17th-century peak the largest contiguous-and-overseas empire that had ever existed, encompassing most of the Americas, the Philippines, parts of North Africa, the Iberian Peninsula, the southern Netherlands, much of Italy, and a network of trading posts and territories across the Pacific and Indian Oceans.
The Thirty Years' War
The Thirty Years' War was a religious and political conflict fought across central Europe from 1618 to 1648. It involved most of the major European powers, killed approximately 8 million people (a fifth of the Holy Roman Empire's population), and produced the Peace of Westphalia, the treaty that established the foundations of the modern European state system.
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The Tudors
The Tudor dynasty ruled England from 1485 to 1603, succeeding the Plantagenets after the Wars of the Roses and giving way to the Stuart succession at the death of Elizabeth I. The five Tudor monarchs presided over the English Reformation, the consolidation of Parliament, the defeat of the Spanish Armada, the colonization of Ireland, and the beginnings of English overseas exploration and empire.
The Vietnam War
The Vietnam War was the long civil-international war in Southeast Asia between communist North Vietnam and its Viet Cong allies in the south, and the U.S.-backed government of South Vietnam, fought between 1955 and 1975. It killed approximately 3.4 million people, ended in communist unification of Vietnam, and reshaped post-WWII American foreign policy.
The Vikings
The Vikings were the seafaring Norse people of Scandinavia who raided, traded, and settled across northern Europe, the North Atlantic, the Mediterranean, and parts of North America between approximately 793 and 1066 AD.
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World War I
World War I was a global war fought from 1914 to 1918, primarily between the Allied Powers (France, Britain, Russia, Italy, the United States and others) and the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, Bulgaria). It killed approximately 20 million people and reshaped the political map of Europe and the Middle East.
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World War II
World War II was a global war fought from 1939 to 1945 between the Axis powers (Germany, Japan, Italy, and others) and the Allied powers (the United Kingdom, the Soviet Union, the United States, China, and others). It killed 70–85 million people and is the deadliest conflict in human history.
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