LearningLibrary

subject

War History

How wars actually unfolded — the contingencies, contested causes, and human decisions that shape outcomes — with care to avoid neat narratives that flatten what really happened.

12 lessons in war history

Level:
9th grade

Conscript and Professional Armies: Two Ways to Field a Force

In 1793, the new French Republic was surrounded by enemies and running out of soldiers.

3 min · comparison

9th grade

How a Siege Actually Works

Picture a walled medieval city. The walls are thirty feet high and ten feet thick. Behind them are wells, granaries, livestock, and a few thousand people. Outside them is an army that wants in. In the…

3 min · foundation

intro college

How Logistics Decided the Eastern Front

When German planners drew up Operation Barbarossa in late 1940, they assumed the campaign against the Soviet Union would last roughly ten weeks.

4 min · deepening

intro college

How the Stirrup Changed Cavalry Warfare

A horse at full gallop carries a rider forward at roughly thirty miles an hour.

4 min · foundation

intro college

Maneuver and Attrition: Two Theories of Winning Wars

In 1940, a German armored column drove through the Ardennes forest, crossed the Meuse at Sedan, and within six weeks forced the surrender of a French army that on paper was its equal in men and superior in tanks.

4 min · comparison

intro college

What Made the Roman Legion So Effective

Picture a Roman legionary at dawn, somewhere in Gaul in the first century BCE.

4 min · foundation

intro college

Why Insurgencies Are Hard to Defeat

In 1954, the French garrison at Dien Bien Phu was overrun by a Viet Minh force the French had spent years dismissing as peasants with rifles.

4 min · synthesis

intro college

Why Naval Power Mattered to British Strategy

In 1805, after Nelson's fleet shattered the combined French and Spanish navies at Trafalgar, a French invasion of Britain became, for a generation, almost unthinkable.

4 min · deepening

9th grade

Why Soldiers Often Don't Know What They're Fighting For

In 1944, an American reporter named John Hersey asked Marines on the island of Guadalcanal what they were fighting for.

3 min · foundation

9th grade

Why "Total War" Changed Everything in the 20th Century

In 1914, a British factory worker stitching uniforms in Manchester was not a soldier.

3 min · deepening

intro college

Why Trench Warfare Took Hold in 1914–1918

In August 1914, the armies that marched into Belgium and northern France expected a short war of movement.

4 min · foundation

9th grade

Why Wars Almost Always Cost More Than People Expect

In the summer of 1914, soldiers leaving for what we now call World War I were told by cheering crowds that they would be home by Christmas.

3 min · foundation