A knight was a soldier who fought on horseback and wore metal armor to stay safe. A castle was a strong home, usually built of stone, that protected the people living inside from attackers. Knights and castles were most common in Europe during a time long ago called the Middle Ages, between about 1,000 and 500 years ago. The biggest castles had thick walls, tall towers, and a water-filled ditch around the outside.
Why knights and castles are tricky to understand
Movies make knight armor look like it weighed a ton. A full set of battle armor was actually about 45 to 55 pounds (20 to 25 kg). That is heavy, but the weight was spread all over the body, like wearing a heavy backpack, helmet, gloves, and boots all at once. A fit knight could run, climb stairs, and jump onto his horse by himself.
Castles are also older than they look in stories. The first castles in England were not stone at all. They were built from dirt and wood. Workers piled up a tall mound of earth, then built a wooden tower on top. Stone castles came later, once builders had more time and tools.
Knights also could not tell each other apart once their helmets were on. So each knight painted bright colors and pictures, like lions or stars, on his shield. That way, friends could find each other in a busy battle.
Key facts about knights and castles
A knight’s armor weighed about 45 to 55 pounds (20 to 25 kg). A knight could move, run, and climb in it.
A knight rode a trained warhorse. These horses were strong but not giant. Many were about the size of a large pony or a small riding horse today.
The first English castles were made of earth and wood. A wooden tower sat on top of a big mound of dirt called a motte.
A moat was a deep ditch around the castle, often filled with water to stop attackers from digging under the walls or climbing in.
A drawbridge could be pulled up so no one could cross the moat and reach the castle door.
Before metal plate armor, knights wore mail. Mail was a shirt made of thousands of tiny iron rings linked together.
A knight carried a shield with bright colors and a symbol on it. This helped people know which knight was which.
The Tower of London is a famous old castle in England. Kings and queens have used it for hundreds of years.
Common myths about knights and castles
Myth: Knights were so heavy they had to be lifted onto their horses with a crane. This is not true. Knights climbed onto their horses by themselves, using the stirrup, just like riders do today. The crane idea came from old jokes and a movie scene, not from real history.
Myth: A suit of armor weighed hundreds of pounds. Battle armor weighed about 45 to 55 pounds (20 to 25 kg), close to the gear a firefighter or soldier carries today. It was made so a knight could still bend, walk, and fight.
Myth: Knights rode huge, giant horses like the ones that pull heavy wagons. Warhorses were strong and brave, but they were a moderate size, not the giant draft horses you see at farms and fairs today. Their job was to be quick and steady, not just big.
Myth: Knights swung a spiked ball on a chain in battle. The spiked “ball-and-chain” is a famous picture, but real knights almost never used one. Most experts think it was mostly made up in stories long after the Middle Ages ended.
Myth: Castles were always built out of stone. Many early castles were built from dirt and wood first, because that was fast. Builders changed them to stone later, once they had the time and tools.
Frequently asked questions about knights and castles
How did a boy become a knight?
It took many years. A boy started young as a page, helping out and learning manners and how to ride. As a teenager, he became a squire and helped a real knight with his armor and horse. If he did well, he was finally made a knight in a special ceremony.
Why did castles have moats?
A moat was a wide ditch, often filled with water, dug all around the castle. It made it very hard for attackers to reach the walls, climb them with ladders, or dig a tunnel underneath. To get across, you had to use the drawbridge, and the castle’s guards controlled that.
What did a knight wear?
A knight wore a metal helmet to guard his head and a body covering of armor. Early knights wore mail, a shirt of thousands of small iron rings. Later knights wore plates of shaped metal. He also carried a sword and a shield painted with his own colors and symbol.
Were warhorses really big?
Warhorses were strong and trained for battle, but they were not giants. Many were about the size of a large pony or a small modern riding horse. They were chosen for being quick, brave, and steady, not just for being tall.
Why did knights paint pictures on their shields?
Once a knight put on his helmet, you could not see his face. So each knight chose his own colors and a picture, like a lion, an eagle, or stripes. This was called a coat of arms. People could spot a knight by his shield from far away.
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A knight was a trained mounted warrior in medieval Europe, usually a man of noble rank who fought in armor and served a lord or king. A castle was a fortified building, most often of stone, that a lord used as both a home and a defense. Both were central to European life during the Middle Ages, roughly the years 1000 to 1500 AD. Becoming a knight took many years of training, and castles slowly changed from simple earth-and-timber forts into massive stone fortresses with rings of walls.
Why knights and castles are surprising
The biggest surprise is how mobile a knight in full armor really was. A complete suit of battle armor weighed about 45 to 55 pounds (20 to 25 kg), spread evenly across the whole body. A fit, trained knight could run, climb, mount his horse without help, and fight for long stretches while wearing it. The idea that a knight was a helpless metal turtle who had to be craned onto his horse is a myth.
Castles also did not start out as grand stone palaces. When the Normans took over England after 1066, they threw up castles fast using earth and wood. A typical early design was the motte-and-bailey: a wooden tower on a steep earth mound, called a motte, next to a walled yard, called a bailey. Workers could build one in just weeks. Stone keeps and the famous many-towered castles came later, once a lord had time, money, and skilled masons.
Another surprise is how careful knights had to be just to recognize one another. With a closed helmet on, a knight’s face was hidden. So families and knights used heraldry, a system of colors and symbols painted on shields and stitched onto cloth coats. A knight’s coat of arms worked like a uniform you could read from across a battlefield.
Key facts about knights and castles
Becoming a knight followed three stages: page, then squire, then knight. A boy often began as a page around age seven, became a squire as a teenager, and was made a knight in a ceremony called dubbing.
The first Norman castles in England were earth and timber. A wooden tower stood on a mound, the motte, beside a fenced courtyard, the bailey.
Stone castles came next, then concentric castles with two or more rings of walls, so defenders on the inner and outer walls could both fight at once.
Before plate armor, knights wore mail, a flexible shirt made of thousands of small iron rings linked together by hand.
Plate armor, a full suit of shaped metal plates, weighed about 45 to 55 pounds (20 to 25 kg). It let a fit knight move and mount a horse on his own.
A trebuchet was a powerful siege machine. It hurled heavy stones by swinging a long arm with a falling weight on one end.
The English longbow could shoot arrows fast and far, while the crossbow was slower to reload but much easier to learn.
A coat of arms identified a knight or family in battle and at tournaments, using set colors and symbols.
Common myths about knights and castles
Myth: Knights had to be lifted onto their horses by a crane. Knights climbed on by themselves using the stirrup. At most a small stool or mounting block might help. The crane story comes from 1800s satire and a 1944 film of Shakespeare’s Henry V, not from medieval life.
Myth: A suit of armor weighed hundreds of pounds. A full set of field armor weighed about 45 to 55 pounds (20 to 25 kg). That is close to what a modern soldier or firefighter carries. The weight rode on the whole body, not just the shoulders, so a trained knight stayed agile.
Myth: Warhorses were giant draft horses like Shires or Clydesdales. Studies of medieval horse bones show warhorses were a moderate size, often around the height of a large modern pony or a small riding horse. They were prized for strength, courage, and quickness, not for towering size.
Myth: The metal rings on a knight’s armor are called “chainmail.” Historically the correct word is just mail. “Chainmail” is a much later term. Medieval people simply called it mail or maille.
Myth: Knights swung a spiked ball-and-chain flail. This weapon shows up constantly in cartoons and films, but it is barely found in medieval records. Many historians think the spiked ball-and-chain is mostly a later invention, popular long after the Middle Ages.
Frequently asked questions about knights and castles
How did you become a knight?
The path usually had three stages and took many years. A boy of about seven joined a lord’s household as a page, learning manners, riding, and the basics of weapons. Around his teens he became a squire, serving a knight directly, caring for his armor and horse, and sometimes following him to war. If he proved himself, he was made a knight in a dubbing ceremony, often involving a vigil, a blessing, and a tap on the shoulder with a sword.
How were castles built?
Early Norman castles were built quickly from earth and timber. Workers dug a ditch, piled the soil into a tall mound called a motte, and set a wooden tower on top, with a fenced yard called a bailey beside it. Later, lords replaced the wood with stone keeps and curtain walls. The strongest later castles were concentric, with one ring of walls inside another, so attackers had to break through layer after layer.
What is the difference between mail and plate armor?
Mail is a shirt or hood made of thousands of small iron rings linked together. It bends with the body and guards against cuts. Plate armor is made of larger shaped metal plates that cover the body like a shell. Plate spread out and turned aside heavier blows. Many knights wore mail under or alongside plate to protect the gaps at the joints.
What weapons were used to attack a castle?
Attackers used siege engines. A trebuchet flung heavy stones using a long arm and a falling counterweight. A siege tower was a tall wooden frame on wheels, rolled up to the wall so soldiers could climb across. Attackers also used battering rams, ladders, and sometimes mining, digging a tunnel under a wall or tower to make it collapse.
What is a coat of arms?
A coat of arms is a unique design of colors and symbols that identified a knight or noble family. Once helmets hid faces, a knight needed a way to be recognized in battle and at tournaments. The patterns followed rules so they stayed easy to read from a distance. Coats of arms were painted on shields, flown on banners, and passed down through families.
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A knight was a heavily armed and armored mounted warrior in medieval Europe, normally drawn from the landholding class and bound by oaths of service and a code of conduct known as chivalry. A castle was the private fortified residence of a lord or monarch, combining defense, administration, and home in one structure. Both stood at the center of European society during the Middle Ages, roughly 1000 to 1500 AD. Over those centuries castles evolved from earth-and-timber forts into stone keeps and then into elaborate concentric designs, while the road to knighthood ran from page to squire to a formal dubbing.
What is commonly misunderstood about knights and castles
A knight in full plate was not an immobile metal statue. A complete suit of field armor for battle weighed only about 45 to 55 pounds (20 to 25 kg), distributed across the entire body rather than hung from the shoulders. Tests on reproductions and on surviving harnesses show that a fit, trained man could run, climb, lie down and rise, and mount a horse unaided. The popular image of a knight winched onto his horse by a crane is a documented myth: it traces to nineteenth-century satire and was cemented by a crane scene in the 1944 film of Shakespeare’s Henry V, not to any medieval practice. Knights mounted using the stirrup, with at most a mounting block.
Castles were also not born in stone. The Normans who conquered England after 1066 raised castles at speed using earth and timber, most often in the motte-and-bailey form: a timber tower set on a steep raised mound, the motte, beside a defended enclosure, the bailey. These could be thrown up in weeks. Stone keeps replaced the timber towers over the following century, and by the thirteenth century the most advanced fortresses were concentric: defended by two or more rings of walls, with the outer wall built lower than the inner so that archers on both lines could fire over the heads of those in front. The Crusader castle Krak des Chevaliers, held and rebuilt by the Knights Hospitaller, is the classic surviving example.
A third misconception confuses the words for armor. The historically correct term for the mesh of interlinked rings is simply mail. The familiar word “chainmail” is a much later coinage and would have puzzled a medieval armorer, who spoke of mail or maille. Likewise, the iconic spiked ball-and-chain flail, a fixture of fantasy art, is barely attested in medieval sources and is regarded by many historians as largely a later invention.
Key facts about knights and castles
The path to knighthood had three stages: page, squire, and knight. A boy of noble family typically entered a lord’s household as a page around age seven, advanced to squire in his teens to serve a knight directly, and was raised to knighthood in a dubbing ceremony, often after a vigil and a blow on the shoulder with a sword.
Castles evolved from motte-and-bailey to stone keeps to concentric designs. Earth and timber gave way to stone, and stone curtain walls were eventually doubled into concentric rings.
A full suit of field armor weighed about 45 to 55 pounds (20 to 25 kg). Spread across the body, it left a fit knight able to move, mount, and fight.
Medieval warhorses were a moderate size. Bone studies indicate most stood roughly at the height of a large modern pony or small riding horse, not a giant draft horse.
The trebuchet, siege tower, and mangonel were principal siege engines. The counterweight trebuchet swung a long arm weighted at one end to hurl heavy stones over or into walls.
The English longbow and the crossbow were the key missile weapons. The crossbow was slower to reload but far easier and quicker to train a soldier to use; the longbow demanded years of practice but shot faster.
Heraldry identified armored knights. A coat of arms, governed by rules so it stayed legible at a distance, marked a knight or family on shield, surcoat, and banner.
The English word “dungeon” comes from “donjon,” which originally meant the great tower or keep of a castle, not an underground prison. The prison sense developed later.
Common myths about knights and castles
Myth: Knights were so heavily armored they had to be hoisted onto their horses. Surviving armor and modern trials both show knights could mount unaided using the stirrup. The crane image is a recognized myth from nineteenth-century satire and the 1944 Henry V film, not from medieval sources.
Myth: A suit of armor weighed well over a hundred pounds. A field harness for battle weighed about 45 to 55 pounds (20 to 25 kg), comparable to a modern infantry load. Specialized heavy armor made only for the joust could be heavier, but it was not worn for ordinary fighting.
Myth: Warhorses were huge draft horses. Analysis of medieval horse remains points to animals of moderate stature, valued for agility, strength, and temperament rather than sheer size. The towering battle-chargers of film have no support in the bone record.
Myth: The ring armor is called “chainmail.” The correct historical term is mail. “Chainmail” is a later word; medieval writers used mail or maille.
Myth: The spiked ball-and-chain flail was a standard knightly weapon. It is almost absent from medieval art, inventories, and surviving originals; many museum examples are post-medieval. Most historians treat the dramatic ball-and-chain as largely a later creation rather than a battlefield staple.
Frequently asked questions about knights and castles
How did someone actually become a knight?
Knighthood was usually reached through long apprenticeship within a noble household. A boy began around age seven as a page, learning courtesy, reading, riding, and the rudiments of arms. In his teens he became a squire, attending a knight, maintaining his weapons and horse, and often accompanying him on campaign to gain experience. Promotion came in a dubbing ceremony that mixed military and religious ritual, frequently including a bath, an overnight vigil, a blessing of the sword, and the accolade, a touch on the shoulder with a sword or hand. Knighthood could also be conferred on the battlefield for valor.
How did castle design change over time?
The earliest medieval castles in England and Normandy were motte-and-bailey works of earth and timber, fast to build and easy to garrison. From the late eleventh century, lords rebuilt the central tower in stone as a keep, and ringed the bailey with stone curtain walls studded with towers. The thirteenth century brought the concentric castle, with a lower outer wall enclosing a higher inner one so both could be defended together. Edward I’s Welsh castles, including the polygonal-towered Caernarfon Castle with its bands of differently colored stone echoing the walls of Constantinople, mark the height of this military architecture.
How were castles attacked and defended?
Besiegers used siege engines and engineering. The counterweight trebuchet flung stones weighing hundreds of pounds; the mangonel was a simpler stone-thrower; the siege tower carried attackers up to the parapet. Mining was among the most effective methods: sappers dug a tunnel under a wall or tower, propped it with timber, then burned the props to collapse the structure. In 1215, during the siege of Rochester Castle, King John’s miners brought down a corner of the great keep by burning the fat of forty pigs beneath the props. Defenders answered with high walls, flanking towers, arrow loops, murder holes in gateway ceilings, and the portcullis.
Why was the crossbow controversial?
The crossbow was prized because it required little training: a recruit could be made effective in days, whereas a longbowman needed years to build the strength and skill for a heavy war bow. Its power against armor alarmed the Church. In 1139 the Second Lateran Council condemned the crossbow and bow as weapons hateful to God when used against Christians, though their use against non-Christians in crusades was not restrained. The ban had little lasting effect, and the crossbow remained a major battlefield weapon.
What was the point of a coat of arms?
Heraldry solved a practical problem. A knight in a closed helm could not be recognized by face, so families and individuals adopted distinctive designs of color and symbol, the coat of arms, displayed on shield, surcoat, horse trapper, and banner. Heraldic conventions kept these designs legible at a distance, and the arms became hereditary markers of identity, lineage, and allegiance, used in war, at tournaments, and on seals and buildings.
Why does “dungeon” mean a prison cell?
The word descends from Old French donjon, which named the great tower or keep, the most secure part of a castle and often the lord’s residence. Because the keep was the stronghold where prisoners of importance might be confined, the English form “dungeon” gradually shifted to mean a place of imprisonment, especially an underground cell. In modern French, donjon still means the keep.
Each quiz question for this topic cites a source for the specific fact it tests. You can play at any level: Rookie, Curious, Sharp, or Expert.
A knight was a mounted, armored warrior of the medieval European elite, holding land in return for military service and bound to a code of conduct, chivalry, that governed conduct in war and society. A castle was the fortified private residence of a lord or sovereign, a structure that fused defense, lordship, and household. The institution of knighthood and the castle as a building type matured together across the Middle Ages, roughly 1000 to 1500 AD, and declined together as gunpowder artillery, professional standing armies, and centralized states reshaped warfare. Their technical history is more interesting than the legend: it is a story of evolving fortification geometry, the engineering of the plate harness, the grammar of heraldry, and the logistics of the siege.
Why knights and castles resist a simple summary
The castle was not a fixed design but a moving target in an arms race. The earliest medieval castles were motte-and-bailey works of earth and timber, fast and cheap, raised across England in the decades after 1066. The central timber tower was rebuilt in stone as the keep (in French the donjon), and the bailey ringed with a stone curtain set with mural towers. The decisive innovation was the shift from passive to active defense. A square keep had dead ground at its base and corners that a sapper could undermine; the answer was the round tower, which had no vulnerable corners and gave defenders fields of fire along the wall face. From there developed the concentric castle, in which a lower outer enceinte encloses a higher inner one so that archers on both walls engage an attacker at once, the inner line shooting over the outer. Krak des Chevaliers in Syria, rebuilt by the Knights Hospitaller, and Edward I’s Caerphilly Castle in Wales, begun by Gilbert de Clare in 1268 and famous for its elaborate water defenses, are textbook expressions of the form. The largest castle in the world by land area, Malbork Castle in Poland, was raised in brick by the Teutonic Knights as the seat of their order.
The harness of plate is equally misread. The mature fifteenth-century field armor was an articulated system, not a rigid shell: lames and sliding rivets at the elbows, knees, and feet let the body flex while the curved surfaces deflected blows. A complete field harness weighed about 45 to 55 pounds (20 to 25 kg), and the load was carried over the whole frame, so a trained man retained most of his agility. Specialized armor built only for the joust could be far heavier and deliberately restrictive, since the jouster needed protection on one side and had no need to walk or remount; conflating that sporting equipment with battlefield armor is a common error. The historically correct term for ring armor remains simply mail; “chainmail” is a much later coinage.
The weapons of the armored fight followed armor’s logic. As plate spread in the fourteenth and fifteenth centuries, the cutting sword lost effectiveness against a hardened surface, and percussive and thrusting weapons rose in importance. The flanged mace defeated plate not by cutting it but by concentrating a blunt impact through its raised ridges, transmitting crushing force through the metal to the body beneath; the war hammer and the pollaxe worked on related principles, adding a spike or beak to punch through or find a gap. The romantic spiked ball-and-chain flail, by contrast, is conspicuously absent from medieval arsenals: it does not appear in the era’s abundant weapon inventories or its art, and most surviving examples are post-medieval, so historians increasingly regard it as largely a later invention rather than a real knightly weapon.
Key facts about knights and castles
The mace as an anti-plate weapon. A flanged mace concentrated a blunt blow through raised ridges, transmitting crushing force rather than cutting the metal, making it effective against an opponent in plate.
The Order of the Garter. England’s senior order of chivalry, the Order of the Garter, was founded by King Edward III in 1348 and bears the motto Honi soit qui mal y pense, “shame on him who thinks evil of it.”
Malbork Castle. Built by the Teutonic Knights in Poland, Malbork is the largest castle in the world measured by land area, and the world’s largest brick castle.
Caerphilly’s water defenses.Caerphilly Castle in Wales, begun in 1268, is renowned for one of the most elaborate systems of water defenses in Britain, using lakes and dams to protect a concentric core.
The Warwolf. The largest trebuchet of the Middle Ages is believed to be the Warwolf, built for Edward I at the siege of Stirling Castle in 1304; the garrison’s offer to surrender was reportedly refused until the engine had been tested.
The rule of tincture. The heraldic rule of tincture holds that a color should not be placed directly on another color, nor a metal on another metal, so that arms stay legible at a distance.
The lance rest. The lance rest bolted to a knight’s breastplate was designed to absorb and transfer the shock of impact into the armor, not to bear the weight of the lance.
Mont-Saint-Michel. The fortified island abbey of Mont-Saint-Michel in Normandy withstood English attack during the Hundred Years’ War and was never captured.
Common misconceptions at expert level
Misconception: Field armor was so heavy it crippled mobility and forced mechanical mounting. A war harness weighed about 45 to 55 pounds (20 to 25 kg) and was articulated to preserve movement; surviving harnesses and modern trials confirm a fit wearer could run, rise from the ground, and mount unaided. The heavier, movement-restricting suits were jousting armor, not battlefield kit, and the crane-mounting story is a nineteenth-century invention.
Misconception: The flail with a spiked ball on a chain was a common medieval weapon. It is almost entirely absent from medieval inventories, treatises, and reliable artwork, and the museum specimens that exist are largely later productions. The weight of expert opinion treats the iconic ball-and-chain as a post-medieval and modern romantic construction. Hinged threshing-derived flails and some two-handed military flails did exist, but the cartoon spiked ball is not the medieval norm.
Misconception: Heraldry was decorative and unregulated. Heraldry was a functional sign system with a grammar. The rule of tincture kept charges readable by forbidding color-on-color and metal-on-metal, and a college or herald regulated grants so that arms uniquely identified a bearer. The famous exception, the gold-on-silver arms of the Kingdom of Jerusalem, is notable precisely because it breaks the rule.
Misconception: The lance rest carried the weight of the couched lance. The bracket on the breastplate, the arrêt de cuirasse, was an arrest that braced the lance against rearward recoil and drove the shock of impact into the rigid cuirass and the rider’s body mass, improving the transfer of momentum. It was a shock-absorbing stop, not a weight-bearing crutch.
Misconception: “Dungeon” always meant an underground prison. The English word derives from the Old French donjon, the great tower or keep, the lord’s strongest and most prestigious building. The prison sense is a secondary, later development in English; the keep, being the most secure place, was where captives of value were held, and the meaning migrated. Modern French donjon still denotes the keep alone.
Frequently asked questions about knights and castles
What made the concentric castle a turning point in fortification?
Concentric design converted defense from a single line into a defense in depth. By enclosing a lower outer wall within a higher inner wall, the garrison could deploy archers and crossbowmen on two tiers simultaneously, with the inner wall commanding the outer; an attacker who breached the outer enceinte found himself in a killing ground overlooked from above. Mural towers projecting from the walls gave enfilading fire along the curtain, eliminating the dead ground that plagued earlier square keeps. The arrangement also let a small force hold a large perimeter. Krak des Chevaliers and the Edwardian castles of Wales, Caerphilly, Beaumaris, and others, show the mature system, often reinforced with gatehouses, barbicans, and, at Caerphilly, extensive artificial lakes.
How did the plate harness manage to be protective and mobile at once?
Through articulation and the geometry of deflection. Plates were shaped with glancing surfaces so that blows slid off rather than landing square, and moving joints, articulated lames riveted to slide over one another, allowed the elbows, knees, ankles, and waist to bend nearly as freely as the body. The breastplate, backplate, faulds, and limb defenses spread the load over the torso, hips, and legs rather than the shoulders alone, which is why the total weight of roughly 45 to 55 pounds (20 to 25 kg) did not immobilize the wearer. Gaps at the joints and under the arms were covered by mail voiders and by the shape of overlapping plates, a layered solution rather than a single rigid casing.
Why did blunt and thrusting weapons rise as plate armor matured?
Because a hardened plate surface defeats the edge. A sword cut that would maim an unarmored or mail-clad opponent skates off curved steel, so the armored fight shifted toward weapons that either transmit shock through the plate or seek the gaps. The flanged mace and the war hammer deliver concentrated percussion that can stun or break bone beneath intact armor; the pollaxe combines an axe or hammer head with a spike and a long haft that multiplied the force of a swing; and the longsword was used in the half-sword grip to thrust precisely into joints and visor. This is why the late-medieval knightly arsenal looks less like the slashing weapons of legend and more like a toolkit for fighting a man in a steel shell.
What did the chivalric orders actually do?
The secular orders of chivalry, of which the Order of the Garter founded by Edward III in 1348 is the senior English example, were select fraternities of knights bound to a sovereign, blending honor, politics, and display. Membership was a high mark of royal favor and a tool of statecraft, tying leading nobles to the crown. These differ from the earlier military religious orders, such as the Knights Hospitaller and the Teutonic Knights, which were monastic brotherhoods that took religious vows and ran fortresses, hospitals, and estates; the Hospitallers rebuilt Krak des Chevaliers, and the Teutonic Knights raised Malbork. The Garter and its peers were courtly and honorific rather than monastic.
How decisive was the siege, and what were its main methods?
Medieval war was dominated by sieges far more than by pitched battles, because castles controlled territory and could not be ignored. Besiegers combined blockade with active assault. Stone-throwing engines, the counterweight trebuchet at the top of the range, battered walls and morale; the Warwolf built for Edward I at Stirling in 1304 is reckoned the largest trebuchet of the era. Siege towers and scaling carried infantry to the parapet. Most decisive of all was mining: sappers tunneled beneath a wall or tower, shored the cavity with timber, and fired the props to collapse the masonry, as at the siege of Rochester in 1215. Defenders relied on height, flanking towers, wet ditches and water defenses, gatehouse traps, and sorties, and a well-supplied garrison could often outlast an army that disease and cost would eventually break. Some strongholds, like the island abbey of Mont-Saint-Michel, were never taken at all.
