Conquest and Empire
Armies, sieges, and the maps that change.
Hannibal in the Alps, Cortés at Tenochtitlán, the Mongol invasions, the Spanish Armada, the Crusader states. How territory changes hands.
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Genghis Khan built the largest contiguous land empire in history. He died on campaign in August 1227. The cause and burial location were both unusual. What do we actually know?
Genghis died in August 1227 aged about 65 while campaigning against the Tangut Xi Xia state in northwestern China. Ancient sources offer at least four candidate causes: a fall from a horse, an unidentified fever, wounds from an arrow, or complications from a battle injury. The burial was deliberately concealed — by tradition the funeral cortege killed every witness it met en route to the burial site, and a herd of horses was driven over the grave to obliterate it. The location has never been found despite substantial 20th- and 21st-century archaeological efforts.
The Venetian merchant Marco Polo left home in 1271 with his father and uncle on what would become a 24-year journey. Where did they end up, and how long did Marco stay there?
The Polos reached Kublai Khan's court at Shangdu (the *Xanadu* of Coleridge's poem) in 1275 after a 3-year overland journey. Marco served Kublai in administrative and diplomatic roles for about 17 years, returning to Venice via Sumatra and the Persian Gulf in 1295. Constantinople was a way-point, not destination. Saladin had been dead for nearly 80 years by 1271. Genghis Khan had been dead since 1227 — about 44 years before the Polos left Venice. Kublai was Genghis's grandson.
The Mongol Empire under Kublai Khan reached its greatest extent around 1279, stretching from the Pacific to the Black Sea. By territory, where does it rank in the all-time list of land empires?
The Mongol Empire at its 1279 peak covered about 24 million square kilometres — the largest connected land empire ever. The British Empire was larger in total area (~35 million km²) but it was scattered across oceans, not contiguous. The Russian Empire was the second-largest contiguous land empire (~23 million km² at peak). The Roman Empire at Trajan's peak was about 5 million km², roughly a fifth the size of the Mongol Empire. Genghis Khan started it; his grandsons completed it; it fragmented into four khanates within a few decades.
The 130-ship Spanish Armada sailed to invade Elizabethan England in summer 1588. About 50 of its ships didn't make it home. What killed most of them?
The Channel fights didn't actually sink many ships — the English gunnery was more harassing than lethal. The fireships at Calais broke the Armada's defensive formation but sank only one or two ships directly. What killed most of the lost vessels was the route home: with the English fleet between them and the way they'd come, the Armada had to sail north around Scotland and through the North Atlantic in autumn weather, with damaged ships and bad charts. About 35 ships were wrecked on the Scottish and Irish coasts.
The decisive battle of the American Revolution trapped a British army under Cornwallis between an American army on land and a French fleet at sea. He surrendered approximately 7,000 troops on 19 October 1781. Where?
Yorktown ended the Revolutionary War militarily; the British government collapsed within months and the peace treaty was signed in Paris in 1783. Saratoga (1777) was earlier and equally important — it persuaded France to formally enter the war on the American side, which was the strategic difference. Bunker Hill (1775) was a tactical British victory at the start of the war. Trenton (Christmas 1776) was Washington's surprise raid across the Delaware. The French fleet at Yorktown was under the Comte de Grasse; the American-French land army was under Washington and Rochambeau.
The British Empire was the largest empire in human history. At its 1920s peak, roughly what fraction of the world's land area did it cover?
The British Empire at its post-WWI peak covered roughly 35.5 million km² — about a quarter of the world's land area and a quarter of its population. The Mongol Empire's 1279 peak was about 24 million km² and is still the largest *contiguous* land empire ever, but the British total was larger because it was scattered across the oceans. The Roman Empire at Trajan's peak was about 5 million km² — about a seventh the size of the British peak.
Erik the Red was exiled from Iceland in 982 for killing two men. He spent his three-year exile exploring the next island west, then returned and led settlers there. His naming choice for the new territory — *Grœnland*, 'Greenland' — was?
The Icelandic sagas record his explicit reasoning: 'He gave it that name because, he said, men would be more inclined to go there if it had a favourable name.' It is the earliest documented case of deliberate real-estate marketing in European history. The naming worked: approximately 700 Icelanders sailed in 25 ships in 986. Only 14 ships arrived (a storm in the Denmark Strait sank or turned back the rest), but the Eastern Settlement at Brattahlíð that Erik founded became home to a Norse colony that survived for nearly 470 years.
Napoleon's final defeat at Waterloo on 18 June 1815 ended twenty-three years of more or less continuous European warfare. The two allied commanders who beat him there were?
Wellington held the battlefield with his Anglo-Dutch army through the day; Blücher arrived in the late afternoon with the Prussian reinforcements that finished the French army. Nelson had been dead for ten years by then — killed at Trafalgar in 1805. Marlborough and Eugene won the Battle of Blenheim against Louis XIV in 1704, a century earlier. Kutuzov and Schwarzenberg were both real Napoleonic-era commanders — Kutuzov ran the Russian campaign of 1812, Schwarzenberg led the Allied army at Leipzig in 1813 — but neither was at Waterloo.
The Ottoman Empire — which had ruled portions of southeastern Europe, the Levant, and North Africa since the late 13th century — was formally abolished by the Turkish Grand National Assembly in what year?
The Ottoman sultanate was abolished by the Grand National Assembly on 1 November 1922. The last sultan, Mehmed VI, left Constantinople aboard a British warship two weeks later. The Republic of Turkey was proclaimed almost a year later, on 29 October 1923 — a common but slightly wrong answer to this question. The Mudros armistice (1918) ended Ottoman participation in WWI but did not abolish the sultanate. The Young Turk revolution (1908) restored the suspended 1876 constitution but kept the sultan.
Constantinople — the eastern Roman capital that had outlived the western empire by almost a thousand years — finally fell to the Ottoman sultan Mehmed II. The walls were breached by the largest siege gun ever made up to that point. What year?
29 May 1453, after a 53-day siege. The last Byzantine emperor, Constantine XI Palaiologos, died fighting at the walls; his body was never reliably identified. The siege gun — built by the Hungarian engineer Orban — had a 27-foot bronze barrel and fired stone balls weighing 600 pounds. The 1204 sack was the Fourth Crusade's catastrophic detour; the Byzantines recovered the city in 1261. Manzikert (1071) was the earlier Seljuk Turkish victory that lost most of Anatolia. The 1683 Siege of Vienna was 230 years later, after the Ottomans had become a different kind of empire.
At the Battle of Cannae on 2 August 216 BC, Hannibal's outnumbered Carthaginian army destroyed the largest Roman field army ever assembled. Roughly how many Roman soldiers died in a single afternoon?
Cannae killed approximately 50,000–70,000 Romans in roughly four hours, including one of the two consuls and about 80 senators. The single-day death toll wasn't exceeded by a Western army until the first day of the Somme in July 1916, 2,132 years later. Hannibal's tactical formation — a deliberate convex bow in his centre that withdrew under Roman pressure while his African infantry on the wings closed in from both sides — is still studied at every military academy. Rome didn't surrender. Within fifteen years it had destroyed Carthage.
The Spanish conquistador Hernán Cortés landed in Mexico in 1519 with about 500 men, sixteen horses, and a few small cannons. The Aztec capital Tenochtitlán — one of the largest cities in the world at the time — fell to him roughly two years later. Specifically when?
Cortés didn't take Tenochtitlán by Spanish military superiority alone. He had about 1,300 Spaniards and tens of thousands of Indigenous allies — primarily Tlaxcalans, the Aztecs' chronic enemies. The *Noche Triste* in 1520 was the Spanish retreat after an uprising, in which Cortés lost two-thirds of his force; the August 1521 fall was the second go. Smallpox brought by Spanish carriers had also killed perhaps a quarter of Tenochtitlán's population during the siege. 12 October 1492 was Columbus's first landfall — twenty-nine years earlier.
On 6 December 1917 the largest man-made explosion before the atomic bomb destroyed half of Halifax, Nova Scotia. The cause was?
The French munitions ship *Mont-Blanc* collided with the Norwegian relief ship *Imo* in the Narrows of Halifax harbour. *Mont-Blanc* caught fire and exploded twenty minutes later. The blast killed approximately 1,950 people, blinded another 1,000 (mostly from flying glass), and flattened most of the city's North End. The telegraph operator Vince Coleman stayed at his key to warn incoming trains — his message has been preserved. Boston sent a relief train within hours, which is the origin of Nova Scotia's annual Christmas-tree gift to the city of Boston that continues to this day.
In autumn 218 BC, Hannibal crossed the Alps with about 26,000 troops, several thousand cavalry, and a small number of war elephants. The crossing took fifteen days and lost him about half his army. Roughly how many elephants did he start with?
Polybius, the most reliable source, gives 37. They were probably North African forest elephants — a smaller subspecies than the Indian war elephant, now extinct, that the Carthaginians used in earlier wars. By the time Hannibal reached the Italian plains, only a handful were still alive. By the time of the Battle of Trebia later that winter, only one was left; Hannibal personally rode it. The 200-elephant figure belongs to Pyrrhus's much earlier Italian campaign of 280 BC.
The Knights Hospitaller — the Catholic military religious order originally founded to care for pilgrims in Jerusalem — ruled the island of Rhodes from 1310. They were finally expelled in 1522 after a six-month Ottoman siege. By whom?
Suleiman besieged Rhodes from June to December 1522 with an army of about 200,000. The Hospitallers (under Grand Master Philippe Villiers de L'Isle-Adam) held out for six months before surrendering on generous terms. They evacuated to Europe with their archives, their movable property, and their honour; eight years later Charles V granted them Malta, which they ruled until Napoleon displaced them in 1798. Mehmed II had taken Constantinople 69 years earlier (1453); Selim I had taken Cairo (1517); Murad IV reigned a century later (1623–1640).
In August 1281 the largest seaborne invasion force assembled before D-Day sailed for Japan: 4,400 ships, 140,000 troops, sent by Kublai Khan after a failed first attempt seven years earlier. On the night of 15 August it was destroyed. By what?
A typhoon struck the bay of Imari on the night of 15 August 1281 and destroyed approximately 4,000 of the Mongol-Korean ships at anchor. The samurai garrison had been holding off the landings on land for almost two months but could not have stopped the invasion alone. The word *kamikaze* — *divine wind* — would be revived in 1944 for the Special Attack Units. Maritime archaeology in Imari Bay since the 1980s has confirmed the storm's destruction and shown that many of the ships had been rushed into production with poor-quality construction.
Saladin destroyed a Crusader army in the summer of 1187 and recaptured Jerusalem within months. The battle that broke the Crusader military was?
Hattin, on 4 July 1187. The Crusader army marched through Galilean summer drought to relieve Tiberias; Saladin manoeuvred them onto the waterless Horns of Hattin and destroyed them in a single day. Most of the surviving Templars and Hospitallers were executed; the captured True Cross was carted off. Jerusalem surrendered to Saladin in October. Manzikert was 1071, a century earlier. Damietta was a Crusader target in the Fifth and Seventh Crusades but never the decisive engagement. Acre's fall in 1291 was the end of the Crusader states — also significant, but more than a century after Hattin.
Philip II of Spain sent the 130-ship Spanish Armada to invade Elizabethan England in 1588. Most of the Spanish losses came from?
The Armada lost about 50 ships out of 130. The Channel engagements (Plymouth, Portland, the Isle of Wight, Gravelines) killed relatively few. The disaster came on the way home: unable to return via the Channel with the English fleet behind them, the Spanish sailed north around Scotland and through the rough North Atlantic in autumn weather, with damaged ships and bad charts. About 35 ships were wrecked on the Scottish and Irish coasts. Survivors who washed ashore in Ireland were mostly killed by English colonial authorities. The Channel storms had nothing to do with the Dutch directly, but Dutch rebel ships did blockade Parma's army at Dunkirk and prevent the planned invasion link-up.
On a November day in 1095 a pope preached a sermon in central France that started two centuries of warfare in the Holy Land. He promised the audience full remission of sins if they took up the cross. Which pope?
Urban II preached the First Crusade at the Council of Clermont. Gregory VII is the pope of the Investiture Controversy — he made Emperor Henry IV stand barefoot in the snow at Canossa in 1077. Innocent III, a century after Urban, was the pope of the catastrophic Fourth Crusade that sacked Constantinople in 1204 instead of going to Jerusalem. Clement V, two centuries later, was the Avignon pope who suppressed the Knights Templar in 1312.
The Norse Greenland colony lasted about 470 years before it vanished. Its last documented event was a routine social occasion — the kind that anywhere else in medieval Europe would not have been recorded at all. What was it?
The Hvalsey Church wedding of 16 September 1408 — between Thorstein Ólafsson and Sigríd Björnsdóttir — is the last documented event in the Norse Greenland record. It survives because the parties later moved back to Iceland and registered the marriage there; the certificates were preserved. After 1408 the colony went silent. When Hans Egede sailed for Greenland in 1721 looking for surviving Norse descendants, he found only ruins. The Hvalsey Church itself — a small stone structure built around 1300 — still stands almost intact, one of the best-preserved medieval European buildings in the Americas.
On 4 August 1578, on a small floodplain in Morocco, three kings died on the same battlefield in a single afternoon — an event with the convenient name *Battle of the Three Kings*. Two were rivals for the Moroccan throne; the third was the young king of?
King Sebastian of Portugal had spent years organising a Catholic crusading expedition into Morocco. He died charging into the centre of his collapsing army; his body was never reliably identified, and a Portuguese myth (*Sebastianismo*) insisted for centuries that he had survived and would return. The two Moroccan kings — the reigning Saadi sultan Abd al-Malik (probably typhus) and his rival Mohammed al-Mutawakkil (drowned in the river fleeing) — also died that afternoon. Sebastian's childless death produced the Iberian Union of 1580 (Spain inherited Portugal under Philip II), which produced — eight years later — the catastrophic Spanish Armada.
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