February 10 in History

Britain, France, and Spain signed the Treaty of Paris on February 10, 1763, redrawing the map of the world after the Seven Years’ War. France surrendered virtually all of its North American territory, ceding Canada and all lands east of the Mississippi River to Britain, while handing Louisiana west of the Mississippi to Spain as compensation for Spain’s loss of Florida, which went to Britain. The treaty ended the first truly global conflict and established Britain as the dominant imperial power on three continents. The Seven Years’ War had begun in 1756 as a European power struggle between Britain and France, but it sprawled across North America, the Caribbean, West Africa, India, and the Philippines. In North America, known as the French and Indian War, British and colonial forces captured Quebec in 1759 and Montreal in 1760, effectively ending French military presence on the continent. The British Navy dominated the Atlantic, strangling French supply lines and capturing sugar-producing islands in the Caribbean worth more, per acre, than all of Canada. The negotiations in Paris were shaped by a ruthless cost-benefit calculation. France chose to keep its lucrative Caribbean sugar islands of Guadeloupe and Martinique rather than fight for Canada, which it considered a frozen wilderness of fur traders. Voltaire famously dismissed the territory as "a few acres of snow." Spain, which had entered the war late as France’s ally, lost Florida but recovered Havana and Manila, both of which Britain had captured. The treaty also required France to withdraw from Hanover and return Minorca to Britain. The consequences reshaped the Americas. Without the French threat on their borders, Britain’s American colonies no longer needed British military protection, a shift that emboldened colonial resistance to taxation. Britain’s attempt to pay for the war by taxing its colonies triggered the revolt that became the American Revolution twelve years later. France, humiliated and seeking revenge, would bankroll that revolution. The treaty that made Britain master of North America planted the seeds of the empire’s first great loss.

Hulagu Khan’s Mongol army breached the walls of Baghdad on February 10, 1258, beginning a week of slaughter that destroyed the Abbasid Caliphate and ended five centuries of Islamic cultural supremacy. Contemporary historians estimated the death toll between 200,000 and over a million, though modern scholars consider the higher figures exaggerated. The Tigris River reportedly ran black with ink from the libraries and red with blood from the inhabitants. Baghdad, which had been the intellectual capital of the world, would not recover for centuries. The Mongol advance on Baghdad was methodical and massive. Hulagu, a grandson of Genghis Khan, had been dispatched by his brother, the Great Khan Mongke, with orders to destroy the Abbasid Caliphate and extend Mongol rule to Egypt. He assembled an army estimated between 150,000 and 300,000 soldiers, including Mongol cavalry, Chinese siege engineers, Christian Georgian and Armenian contingents, and Persian auxiliaries. The force represented the most diverse military coalition of the medieval world. Caliph al-Musta’sim, the thirty-seventh and last Abbasid caliph, fatally miscalculated. He refused Hulagu’s demand to surrender and dismantle his fortifications, reportedly telling the Mongol commander that the entire Islamic world would rise to defend the caliphate. It did not. The caliph had neglected his military, alienated potential allies, and failed to maintain Baghdad’s defenses. When the Mongol siege began on January 29, the city’s walls crumbled within days under bombardment from Chinese-designed catapults and gunpowder weapons. The sack of Baghdad destroyed the House of Wisdom, the legendary center of learning that had preserved and translated Greek, Persian, and Indian texts during Europe’s Dark Ages. Libraries containing irreplaceable manuscripts on mathematics, astronomy, medicine, and philosophy were dumped into the river. The Mongols executed the caliph by rolling him in a carpet and trampling him with horses, fulfilling a Mongol taboo against spilling royal blood on the ground. The fall of Baghdad marked the end of the Islamic Golden Age and shifted the center of Islamic power permanently from Mesopotamia to Cairo and later Istanbul.

American U-2 pilot Francis Gary Powers walked across the Glienicke Bridge from East Berlin into West Berlin on February 10, 1962, while Soviet master spy Rudolf Abel walked the other way. The exchange, negotiated in secret over months, was the first of its kind during the Cold War and established a template for spy swaps that both superpowers would use for decades. The Glienicke Bridge, connecting Potsdam to West Berlin, became known as the "Bridge of Spies." Powers had been shot down over the Soviet Union on May 1, 1960, while flying a CIA reconnaissance mission at 70,000 feet. The Soviets hit his U-2 aircraft with an SA-2 surface-to-air missile near Sverdlovsk. Powers ejected and was captured alive, along with enough wreckage to prove the aircraft’s espionage purpose. The Eisenhower administration initially claimed the plane was a weather research aircraft that had strayed off course. When Khrushchev produced Powers and the spy equipment, the lie collapsed spectacularly, torpedoing a planned summit meeting in Paris and setting back diplomatic relations. Abel, whose real name was Vilyam Genrikhovich Fisher, was a Soviet intelligence colonel who had operated in New York City for nearly a decade, running a network that collected American nuclear secrets. He was arrested in 1957 after his assistant defected to the FBI. Abel was convicted of espionage and sentenced to thirty years in prison. His defense attorney, James Donovan, later negotiated the exchange with East German lawyer Wolfgang Vogel, arguing to the CIA that Abel was worth more alive as a bargaining chip than locked in a cell. The exchange took place at dawn. Powers crossed to the American side and was debriefed extensively by the CIA. He was privately criticized for not using the suicide pin hidden in a silver dollar that CIA agents carried, but a Board of Inquiry cleared him of wrongdoing. Abel returned to the Soviet Union and reportedly lived quietly until his death in 1971. The Glienicke Bridge would host two more spy exchanges during the Cold War, in 1985 and 1986, cementing its place in espionage history.

IBM’s Deep Blue defeated world chess champion Garry Kasparov in the first game of their six-game match in Philadelphia on February 10, 1996, the first time a computer had beaten a reigning world champion under standard tournament conditions. Kasparov, widely considered the greatest chess player in history, stared at the board in visible disbelief after the machine outmaneuvered him in a complex middlegame position. The result sent shockwaves through both the chess world and the technology industry. Deep Blue was a specialized IBM RS/6000 supercomputer capable of evaluating 200 million chess positions per second. The machine used brute computational force rather than intuition, searching through vast trees of possible moves and evaluating them against programmed criteria for piece value, king safety, pawn structure, and positional advantage. A team of computer scientists and chess grandmasters, led by Feng-hsiung Hsu and Murray Campbell, had spent years refining its evaluation function and opening book. Kasparov recovered from the Game 1 loss and won the 1996 match 4-2, demonstrating that human strategic creativity could still outperform raw calculation. But the first-game defeat haunted him. IBM upgraded Deep Blue substantially and arranged a rematch in May 1997. In that second match, the computer won 3.5-2.5, and Kasparov accused IBM of cheating, claiming he detected human-like creativity in certain moves that a machine could not have generated. IBM denied the accusation and refused a third match, then dismantled the computer. The 1996 game was the opening salvo in a transformation that would reshape how humans think about intelligence itself. Deep Blue proved that computational power could match human expertise in at least one domain of pure reasoning. Two decades later, Google DeepMind’s AlphaGo defeated the world Go champion using neural networks and machine learning rather than brute-force search. The trajectory from Deep Blue to modern artificial intelligence began with a chess computer that made the world champion doubt what he was playing against.

HMS Dreadnought made every other warship on Earth obsolete the day it launched. King Edward VII christened the battleship on February 10, 1906, at Portsmouth, and the Royal Navy had built it in just fourteen months, a construction speed intended to shock rival navies as much as the ship’s revolutionary design. Dreadnought carried ten 12-inch guns in five turrets, all mounted on the centerline, giving it roughly twice the broadside firepower of any existing battleship. Its steam turbine engines made it the fastest battleship afloat. The ship was the brainchild of First Sea Lord Admiral John "Jackie" Fisher, who had been arguing for years that naval warfare was being transformed by advances in fire control, armor, and propulsion. Fisher believed that a battleship armed exclusively with heavy guns of the same caliber could deliver devastating salvos at ranges that made the mixed-caliber batteries of existing warships useless. He pushed the project through with extraordinary urgency, laying the keel on October 2, 1905, and completing sea trials by October 1906. Dreadnought’s design was so superior that it immediately divided the world’s navies into two categories: dreadnoughts and everything else. Every pre-dreadnought battleship, including the Royal Navy’s own massive fleet, was reclassified as second-line tonnage. This was Fisher’s calculated gamble: by resetting the naval arms race to zero, Britain could exploit its industrial and financial advantages to build more dreadnoughts faster than any rival. Germany, which had been building a fleet to challenge British supremacy, was forced to start over. The result was a naval arms race between Britain and Germany that consumed enormous national resources and contributed to the tensions that produced World War I. Germany laid down its first dreadnought-type battleship, Nassau, in 1907. By 1914, Britain had twenty-nine dreadnoughts and battlecruisers to Germany’s seventeen. The two fleets met once, at the Battle of Jutland in 1916, in the largest naval battle in history. Dreadnought itself missed the engagement, having been reassigned to coastal defense. The ship that reset naval warfare never fired its guns in anger against an enemy fleet.