Peninsular War
On the wild, blood-soaked hills of Spain and Portugal, a continent’s fate was forged in fire—where empires clashed, guerrillas struck from the shadows, and ordinary people paid the price for Napoleon’s ambition.

Quick Facts
- Period
- 1807 - 1814
- Region
- Europe
- Casualties
- Estimated 700,000–1,000,000 military and civilian deaths
- Outcome
- The Peninsular War ended in 1814 with the defeat and expulsion of French forces from Spain and Portugal, shattering Napoleon’s hold on the Iberian Peninsula and hastening his downfall.
- Key Figures
- André Masséna, Arthur Wellesley, Duke of Wellington, Francisco Javier Castaños +2 more
Key Figures
André Masséna
Marshal of France, French Commander in Portugal
FranceMarshal André Masséna, often styled “the darling child of victory,” was a man of paradoxes—an audacious battlefield comm...
Arthur Wellesley, Duke of Wellington
Commander-in-Chief, British Forces
Britain/AlliedArthur Wellesley, the Duke of Wellington, was a paradoxical figure—a commander whose implacable reserve masked a mind of...
Francisco Javier Castaños
Captain General, Spanish Armies
SpainFrancisco Javier Castaños embodied both the virtues and limitations of Spain’s traditional military caste at the dawn of...
Joseph Bonaparte
King of Spain (imposed by Napoleon)
FranceJoseph Bonaparte, elder brother to Napoleon and the unwitting King of Spain, embodied the contradictions and dislocation...
Napoleon Bonaparte
Emperor of the French
FranceNapoleon Bonaparte remains one of history’s most enigmatic figures—a man whose boundless ambition, intellectual acuity, ...
The Story
This narrative combines documented history with dramatized scenes for storytelling purposes.
Tensions & Preludes
In the shadowy corridors of European power in the waning years of the 18th century, alliances twisted and dissolved like mist at dawn. By 1807, almost all of Eu...
Spark & Outbreak
The morning of May 2, 1808, dawned heavy and uncertain over Madrid. Low clouds pressed against the city’s rooftops, smothering the light and amplifying a sense ...
Escalation
With the taste of blood still fresh in the dust of Spain, the Peninsular War entered its most savage phase. The passing of summer brought no respite—autumn’s go...
Turning Point
The dawn of 1812 brought a chill that seemed to cut through even the thickest uniforms. Frost rimed the muddy boots of men who had not slept for days, their bre...
Resolution & Aftermath
The spring of 1813 found the French army in a state of crisis and retreat. As the snows melted from the hills of northern Spain, the roads became deep rivers of...
Timeline
French Occupation of Lisbon
French forces under Junot enter Lisbon after the Portuguese royal family flees to Brazil, marking the start of open French control in Portugal.
Location: Lisbon, Portugal
Dos de Mayo Uprising
The people of Madrid revolt against French occupation, sparking brutal reprisals and igniting popular resistance across Spain.
Location: Madrid, Spain
Battle of Bailén
Spanish forces under Castaños defeat a French army, marking the first major defeat for Napoleon’s forces and boosting Spanish morale.
Location: Bailén, Spain
Siege of Zaragoza Begins
French forces commence a brutal siege of Zaragoza, resulting in massive civilian casualties and widespread destruction.
Location: Zaragoza, Spain
Battle of Talavera
British and Spanish forces under Wellington repel French attacks in a bloody engagement, securing a costly victory.
Location: Talavera, Spain
Lines of Torres Vedras Completed
Wellington completes a formidable line of fortifications north of Lisbon, halting Masséna’s advance and trapping French forces in Portugal.
Location: Lisbon, Portugal
Storming of Ciudad Rodrigo
Wellington’s troops storm the French-held fortress, opening the route for further campaigns into Spain.
Location: Ciudad Rodrigo, Spain
Fall of Badajoz
British forces capture the fortress of Badajoz after a bloody assault, followed by widespread looting and atrocities.
Location: Badajoz, Spain
Battle of Salamanca
Wellington decisively defeats Marshal Marmont, shifting the balance of power in Iberia in favor of the Allies.
Location: Salamanca, Spain
Battle of Vitoria
The Allied victory at Vitoria forces French forces to retreat across the Pyrenees, effectively ending French control of Spain.
Location: Vitoria, Spain
Surrender of Toulouse
French forces in southern France surrender to Wellington, marking one of the final actions of the war.
Location: Toulouse, France
Treaty of Paris
The Treaty of Paris formally ends hostilities, restoring Ferdinand VII to the Spanish throne and recognizing Portugal’s independence.
Location: Paris, France
Sources
- wikipediaPeninsular War
Comprehensive overview of the conflict.
- encyclopediaThe Peninsular War 1807–1814
Concise summary and analysis from Britannica.
- bookThe Spanish Ulcer: A History of the Peninsular War
David Gates’s detailed military history.
- bookWellington: The Path to Victory 1769–1814
Rory Muir’s biography of Wellington.
- bookNapoleon: A Life
Andrew Roberts’s acclaimed biography.
- articleThe Peninsular War 1807–1814
Napoleon Foundation’s summary.
- articleThe Guerrilla War in the Peninsular War
History Today article on the Spanish guerrilla movement.
- articleBBC History: The Peninsular War
BBC’s accessible summary.
- articleWellington’s Peninsular Victories
National Army Museum’s account of major battles.
Connected Across The Archives
Explore specific connections to other archives—civilizations, dynasties, companies, and treaties that share history with this conflict.

Civilization Archive
(3)Austrian Empire
During the Peninsular War, the Austrian Empire's geopolitical maneuvers significantly affected European alliances and resistance against Napoleonic expansion.
British Imperial Civilization
Britain's involvement in the Peninsular War was pivotal, as it bolstered Spanish resistance, ultimately contributing to Napoleon's downfall.
Spanish Colonial Civilization
The Peninsular War disrupted Spanish colonial governance, accelerating independence movements in Latin America and reshaping global colonial dynamics.
Explore Related Archives
Wars reshape borders, topple dynasties, and transform civilizations. Explore the broader context of history's conflicts.

