Uncovering the pivotal battles, iconic leaders, and game-changing technology of military history.
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Jul 27 • 15 tweets • 7 min read
1/15 How do you win a battle when you are massively outnumbered, trapped, and being attacked from both the front and the rear?
You build a prison around your enemy, then build a fortress around yourself.
This is the story of Julius Caesar's masterpiece of military engineering: The Siege of Alesia (52 BC). 🧵
2/15 The Context:
The Gallic Wars have raged for nearly a decade. For the first time, the fractured tribes of Gaul have united under one charismatic leader, Vercingetorix. He has raised a huge army to expel the Romans from their lands for good.
Caesar, deep in hostile territory and outnumbered, has managed to trap Vercingetorix and his main army of 80,000 warriors inside the hilltop fortress (oppidum) of Alesia.
Jul 23 • 10 tweets • 4 min read
1/10 In the summer of 1940, the German war machine stood on the shores of France, looking across the water at a defiant Britain. The invasion plan was codenamed 'Operation Sea Lion.'
It never happened. But what if it had? Let's walk through one of history's most terrifying alternate timelines.
2/10 For Sea Lion to even begin, one thing must happen: the Luftwaffe must defeat the RAF. Let's assume, for our scenario, that through sheer weight of numbers they achieve a bloody, narrow, and temporary air superiority over the Channel and the South-East coast in late September 1940.
Jul 20 • 10 tweets • 5 min read
1/10 Ever heard of a general who reconquered Rome for the Romans, defeated enemies on three continents, and saved his emperor's throne, only to be rewarded with suspicion and betrayal?
Meet Flavius Belisarius. A name that should stand with Caesar and Scipio, but is often lost to history.
2/10 Our story begins in the 530s AD. The Western Roman Empire is gone, but the Eastern (Byzantine) Empire, under Emperor Justinian I, dreams of restoring it.
Justinian has the ambition, but Belisarius has the genius. His first major test: the Vandalic Kingdom in North Africa. With just 15,000 men, he shatters the Vandals in less than a year, restoring the province to the Empire.
Jul 15 • 5 tweets • 2 min read
1/5 Valley Forge wasn't a battle, but it was where the American Revolution was won. In the brutal winter of 1777-78, the Continental Army was on the verge of collapse. Here's how it was forged into a professional fighting force. 2/5 The arrival of Baron von Steuben, a Prussian captain, was pivotal. He didn't speak English but used a translator to systematically drill the soldiers. He introduced discipline, bayonet training, and camp sanitation, drastically reducing deaths from disease.
Jul 12 • 8 tweets • 3 min read
The Battle of Aughrim - The Bloodiest Day in Irish History 1/7 While today, July 12th, is famously known as 'The Twelfth' for commemorating the Battle of the Boyne, a far more decisive and brutal battle was fought on this very day in 1691: The Battle of Aughrim. This was the real military endgame of the Williamite War in Ireland.
Jul 6 • 11 tweets • 5 min read
The Thirty Years' War, Part 4: The French Phase (A Thread)
1/10 With the Swedes shattered at Nördlingen, a total Habsburg victory seemed imminent. To prevent this, a new power intervened directly, not for faith, but for power. This is the final, brutal chapter of the war: the French Phase (1635-1648).
Jul 4 • 11 tweets • 5 min read
The Thirty Years' War, Part 3: The Lion of the North (A Thread)
1/10 With the Danes defeated and the Emperor at the height of his power, the Protestant cause in Germany seemed lost. But across the Baltic, a king with a revolutionary new army was watching. The war was about to be transformed. This was the Swedish Phase (1630-1635).
#ThirtyYearsWar #MilitaryHistory #SwedishPhase
Jul 2 • 11 tweets • 5 min read
The Thirty Years' War, Part 2: The Danish Intervention (A Thread)
1/10 The Bohemian Revolt was crushed, but the embers of war remained. Fearing the rise of Habsburg power on his borders, a new Protestant champion entered the fray, backed by foreign gold. This is the story of the Danish Phase (1625-1629).
#ThirtyYearsWar #MilitaryHistory #DanishPhase
Jun 29 • 10 tweets • 4 min read
1/10 One battle. Two hours. Three centuries of consequences. The Battle of White Mountain on 8th November 1620 wasn't just a fight; it was the decisive moment that ended the Bohemian Revolt and set a brutal tone for the Thirty Years' War. Let's dissect the battle and its staggering aftermath. #MilitaryHistory #ThirtyYearsWar #BattleOfWhiteMountain
2/10 THE ARMIES: The Bohemian rebels, under Prince Christian of Anhalt, had about 21,000 men. A mixed force of Bohemians, Germans, and Hungarian mercenaries, many unpaid and demoralised after a long retreat. They took up a strong defensive position on the slopes of White Mountain, just west of Prague.
Jun 26 • 10 tweets • 5 min read
1/10 Imagine a peasant army, fueled by faith and fury, repeatedly annihilating the greatest armored knights of the Holy Roman Empire.
This isn't fantasy. This was the Hussite Wars (1419-1434), a brutal conflict that didn't just challenge an Emperor, but forever changed the rules of war. 🧵
2/10 It all began with a spark. Jan Hus, a Bohemian church reformer, was executed for heresy in 1415. His death enraged his followers, the Hussites, who rose up against the authority of the Pope and the Holy Roman Emperor Sigismund.
The First Crusade against them was declared in 1420. For the next 14 years, Europe's finest chivalry would be sent to crush Bohemia. They would all fail.
Jun 25 • 8 tweets • 4 min read
1/8 In the heart of the Holy Roman Empire, the city of Prague was the stage for not one, but two of the most dramatic political acts in European history.
When anger boiled over, diplomacy was thrown out the window... literally. This is the story of the Defenestrations of Prague. 🧵
#HolyRomanEmpire #MilitaryHistory2/8 The Holy Roman Empire was a complex patchwork of territories in Central Europe. By the 15th and 17th centuries, religious tension between Catholics and reformers (like the Hussites and later, Protestants) was at a fever pitch, especially in the Kingdom of Bohemia (modern-day Czechia)
Jun 23 • 7 tweets • 3 min read
1/7 Imagine the High Renaissance. We think of Michelangelo & da Vinci. But from 1494 to 1559, Italy was the bloody chessboard for the great powers of Europe. This was the era of the Italian Wars—a brutal, 65-year conflict that reshaped warfare and politics forever. #ItalianWars #MilitaryHistory2/7 It all ignited in 1494 when King Charles VIII of France invaded Italy to press his claim on the Kingdom of Naples. His powerful, modern army, featuring a formidable mobile artillery train, marched the length of the peninsula with shocking ease, awakening Italy to its own vulnerability. #Renaissance #Warfare
Jun 22 • 12 tweets • 5 min read
1/12 On this day, 22 June 1941, Operation Barbarossa was unleashed. Most know the name, but military history enthusiasts appreciate the staggering operational complexity. Let's bypass the basics and dissect the intricate military machine, its objectives, and its fatal flaws. #OperationBarbarossa #MilitaryHistory
2/12 The German Order of Battle was built on three massive Army Groups, each with distinct objectives:
Army Group North (von Leeb): Targeted Leningrad, spearheaded by Panzer Group 4. Key objective: Seize Baltic states & eliminate the Soviet Baltic Fleet's bases.
Army Group Centre (von Bock): The Schwerpunkt (main effort). Aimed for Moscow, wielding the formidable Panzer Groups 2 (Guderian) & 3 (Hoth).
Army Group South (von Rundstedt): Aimed for the agricultural wealth of Ukraine & the Caucasus oilfields, supported by Panzer Group 1 (von Kleist). #Wehrmacht #OrderOfBattle
Jun 21 • 10 tweets • 4 min read
"Don't fire until you see the whites of their eyes!"
It's one of the most famous quotes in military history. But the battle it comes from was a brutal lesson in the cost of underestimating your enemy.
This week in 1775, the Battle of Bunker Hill was fought. 🧵 A thread...
Boston, 1775. The city is under siege by thousands of newly-formed colonial militia. To break the stalemate, the British plan to seize the high ground on the unoccupied Charlestown Peninsula.
But overnight on June 16, about 1,200 colonial troops stole a march...
May 16 • 7 tweets • 3 min read
1/7 In 218 BC, Rome faced a shock that shook its foundations—a moment when an audacious enemy outmaneuvered the Republic’s might, catching the Eternal City off guard. 2/7 Hannibal's invasion of Italy in 218 BC was one of the most audacious military campaigns in history. Instead of a direct sea route, he chose a grueling overland journey across the Alps! Why this seemingly impossible path?
May 14 • 6 tweets • 2 min read
1/6 Before Hannibal's invasion of Italy, Carthage was heavily invested in Spain. Following the First Punic War, the Barcid family, particularly Hamilcar Barca, began a systematic expansion and consolidation of Carthaginian influence there. #PunicWars 2/6 The Barcids weren't just after land; Spain was rich in resources, especially silver, which was crucial for funding Carthage's war efforts and paying its mercenaries. This economic motive heavily drove their campaigns.
May 8 • 10 tweets • 4 min read
1/10 How did Rome begin its ascent to Mediterranean dominance? The First Punic War (264-241 BC) against Carthage was a crucial, brutal turning point. This 23-year conflict was a masterclass in adaptation and relentless warfare. Let's dive into the battles! #MilitaryHistory #PunicWars
2/10 Initially, Carthage ruled the waves with its superior navy & experienced sailors. Rome, a land power, was at a massive disadvantage. Early clashes, like the Battle of the Lipari Islands (260 BC), saw Carthaginian fleets easily outmaneuver and defeat the fledgling Roman navy. Carthage used ramming & skilled maneuverability.
Apr 20 • 8 tweets • 3 min read
1/8 On Easter Sunday 1683, the Ottoman Empire launched a bold attack on Vienna. This Battle of Vienna was a prelude to the epic siege. Let’s dive into the tactics used and how they shaped the day. 2/8 Ottoman Tactics: Grand Vizier Kara Mustafa sent ~20,000 troops, including elite Janissaries, to probe Vienna’s defenses. Goal? Weaken the city before a full siege. They used swift cavalry raids and probing infantry assaults to test weak points.
Apr 17 • 13 tweets • 5 min read
1/13 The First Crusade: The Path to the Holy Land
In 1096, thousands heeded Pope Urban II’s call to reclaim Jerusalem. This thread explores the crusaders’ journey, the battles that defined their campaign, and its conclusion. #History #Crusades
2/13 The Call to Arms
Pope Urban II’s speech at Clermont in 1095 inspired fervent response across Europe. Nobles such as Bohemond of Taranto and Raymond IV of Toulouse organized armies, while a less disciplined group, the People’s Crusade, departed first.
Apr 10 • 14 tweets • 6 min read
1/14 Saladin vs. the Crusaders: a saga of tactical genius that rewrote history. Salahuddin Ayyubi, the Muslim commander, outsmarted European Crusaders to reclaim the Holy Land. Let’s dive into his strategic mastery and the battles that defined his legacy.
2/14 Saladin’s rise began in 1169 when he became vizier of Egypt under the Fatimid Caliphate. His first tactical move was consolidation—he dismantled the Fatimid power structure, aligning Egypt with the Sunni Abbasid Caliphate. By 1174, he controlled Syria, creating a unified Muslim front to face the Crusaders.
Apr 9 • 10 tweets • 4 min read
1/10 The Persian Empire’s rise kicked off in the 6th century BCE under Cyrus the Great (r. 559–530 BCE). From a minor tribe in Persis (modern Fars, Iran), it ballooned into a superpower, spanning 5.5 million sq km at its peak. Let’s unpack how.
2/10 Cyrus first toppled the Median Empire, his overlords. The Battle of Hyrba (c. 552 BCE) is shadowy—Herodotus skips it—but it’s likely where Cyrus ambushed Median forces, flipping the power balance. By 550 BCE, he ruled both Persians and Medes.