What New Technology Developed During the Hundred Years’ War How Innovation Changed Warfare Forever
The Hundred Years’ War, fought between England and France from 1337 to 1453, was one of the most defining conflicts of mediaeval Europe. It lasted for over a century and changed the face of war forever. The war transformed from a typical mediaeval conflict involving knights, swords, and castles into one that would usher in new technologies and reshape European society and military tactics.
Our objective in this article is to explore what new technologies were developed during the Hundred Years’ War, how they changed the course of history, and why they are still important to us today when we study warfare.
Introduction: From Knights to Gunpowder
At the beginning of the Hundred Years’ War, battles were dominated by heavily armoured knights, archers, and castles. Warfare was personal, slow, and centred on close combat.
However, over time, new battlefield technologies like the longbow, gunpowder weapons, and cannons reduced the power of traditional knights and introduced modern warfare.
Let’s look at the main technologies that changed everything.
The Longbow: The Game-Changer of English Armies
One of the most famous and effective weapons of the Hundred Years’ War was the English longbow.
What Is a Longbow?
A longbow was usually made of yew wood and was tall—often as tall as the archer himself. It could shoot arrows accurately up to 250 yards away.
How It Changed Warfare
Before the longbow, most battles were decided by hand-to-hand combat. But with the longbow, English archers could defeat armoured knights from a distance.
A single archer could shoot 10–12 arrows per minute, releasing a deadly rain upon enemy lines.
Battles Won with the Longbow
- Battle of Crécy (1346): English archers destroyed French knights and crossbowmen.
- Battle of Poitiers (1356): Longbows helped capture the French King John II.
- Battle of Agincourt (1415): Henry V’s army of longbowmen defeated a much larger French force.
Why It Changed Everything
The longbow proved that training and tactics could defeat wealth and status. It also made armour less useful and reduced the importance of knights, who were once the most powerful soldiers on the battlefield.
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Gunpowder Weapons: The Dawn of a New Era
Another revolutionary technology that appeared during the Hundred Years’ War was gunpowder.
Although gunpowder was first created in China, it wasn’t used in Europe until the 14th century, right in the middle of this war.
Early Gunpowder Weapons
The earliest versions were hand cannons, bombards, and primitive guns. They were heavy, hard to aim, and slow to reload, but they terrified enemies and broke through castle walls.
The Power of Cannons
Cannons quickly became one of the most important weapons of the late war. They fired large stone or metal balls capable of destroying castle walls and defences in hours instead of months with traditional siege engines like trebuchets.
The End of Castles
With cannons, the traditional stone castle was no longer safe. This marked the end of mediaeval fortresses and the beginning of new star-shaped forts with lower, thicker walls able to absorb cannon fire.
Military Strategy Changes
Commanders began using artillery as a central part of their battle plans. Instead of face-to-face combat, armies started focusing on long-range attacks and sieges supported by gunpowder weapons.
Plate Armour and Better Protection
As weapons became more lethal, soldiers needed better protection. This led to continuous improvements in armour design during the Hundred Years’ War.
From Chainmail to Plate Armour
At the beginning of the war, most knights wore chainmail, a flexible suit made of small metal rings. But as longbows and crossbows grew stronger, chainmail could no longer protect against arrows.
By the late 14th century, knights began wearing full plate armour—steel sheets shaped to fit the body.
Why Plate Armour Was Not Enough
Plate armour was designed to deflect hits instead of simply blocking them, offering much better protection against arrows and blades. However, it was heavy, expensive, and difficult to move in, especially for foot soldiers.
As gunpowder weapons improved, even plate armour became less effective, leading to lighter armour in later wars.
The Rise of Siege Technology
The Hundred Years’ War was not only about open-field battles. Many important moments happened during sieges, when armies attacked and captured enemy towns or castles.
Old Siege Engines
At first, traditional machines such as trebuchets, ballistae, and battering rams were still used. These relied on tension, gravity, or counterweights to throw stones or break gates.
The Development of Bombards
The most powerful siege weapon to appear during the war was the bombard—an early form of the cannon.
Famous examples include the Mons Meg and Dulle Griet, giant bombards capable of hurling massive stone balls weighing hundreds of pounds. These weapons changed how cities defended themselves, making it possible to tear down walls quickly.
Evolution of Fortifications
To resist bombardment, engineers began constructing lower and thicker walls, angled surfaces, and earthworks for protection. This laid the foundation for modern fortification design.
Naval Technology: Sea Power
The Hundred Years’ War was not only fought on land—it also involved control of the English Channel, where trade and transport were essential.
New Ship Designs
During the war, both England and France improved their naval technology:
- Cogs: Early ships used to transport soldiers and supplies.
- Carracks: Larger ships with multiple masts and sails.
- Gun Ports: Cannons were added to ships, turning them into war machines at sea.
Battles on the Sea
The most famous naval battle was the Battle of Sluys (1340), where the English navy defeated the French using archers and boarding tactics.
Why It Mattered
These innovations marked the beginning of naval warfare as an important part of military power and laid the groundwork for future naval empires like those of England and Spain.
Organisation and Communication
Technology during the Hundred Years’ War was not just about weapons—it also included organisation, logistics, and communication.
Records and Orders in Writing
Armies began using written orders, maps, and detailed records more than ever before. Commanders needed better communication to manage large armies spread across Europe.
Early Military Leadership
Both the English and French crowns developed early forms of military bureaucracy, keeping track of soldiers, payments, and supplies. This marked the beginning of modern military administration.
The Printing Revolution: Early Roots
Although the printing press was not invented until around 1440 by Johannes Gutenberg, just after the war, the need for faster communication and record-keeping during the Hundred Years’ War helped create the environment that made printing necessary.
The growing use of paper, the increasing literacy of soldiers, and political propaganda all showed that ideas were becoming as powerful as weapons.
The Birth of Professional Armies
Before the Hundred Years’ War, most armies were made up of feudal lords and their followers, who only fought for short periods.
During the war, both sides realised that long wars required professional soldiers—men who were trained, paid, and served full-time.
Mercenaries and Standing Forces
- Mercenaries (paid soldiers) became more common.
- Armies trained to use new weapons like cannons and longbows effectively.
- Governments started forming permanent forces, leading to the concept of national armies.
This shift was a major social and military change, marking the end of mediaeval warfare and the beginning of early modern armies.
Conclusion
The Hundred Years’ War was more than just a battle for the French crown—it was a testing ground for innovation.
From the longbow to the cannon, from chainmail to plate armour, and from feudal levies to standing armies, the war transformed Europe’s military landscape.
By the time the war ended in 1453:
- The age of castles and knights had ended.
- The era of gunpowder had begun.
- Europe was entering the Renaissance, inspired by science, engineering, and lessons learnt from war.
These developments not only shaped warfare but also politics, economics, and society, forming the foundation of the modern world.
FAQs
1. What was the most important new technology in the Hundred Years’ War?
The longbow and gunpowder weapons were the most influential. The longbow changed how battles were fought, while gunpowder set the stage for modern warfare.
2. When did cannons first appear in the Hundred Years’ War?
Cannons appeared around the 1340s, but they became truly effective and common during the 15th century.
3. Did knights stop fighting after the Hundred Years’ War?
Knights continued to exist, but their importance faded. As gunpowder weapons became dominant, armoured cavalry lost power, and infantry and artillery became the main fighting forces.
4. How did the longbow differ from the crossbow?
The longbow could shoot faster and farther than the crossbow, but it required much more training and strength to use effectively.
5. How did these technologies affect castles and fortresses?
Traditional castles became obsolete. Builders began creating new fortifications with thicker, sloped walls to resist cannon fire.
6. Did Europe develop gunpowder during the Hundred Years’ War?
No. Gunpowder was originally invented in China, but Europeans adapted and improved its military use during the Hundred Years’ War.