Between 1808 and 1874, Spain endured a volatile cycle of revolution, civil war, and absolutism.

Countries & Cities · Published 3 October 2026 Swipe more like this →

In short: For over sixty years, Spain was a battleground for competing visions of power. From the Napoleonic invasion and the loss of its American empire to the brutal Carlist Wars and the rise of constitutionalism, the nation struggled to reconcile ancient traditions with the modernizing pressures of the nineteenth century.

The nineteenth century in Spain began with a profound crisis of legitimacy. Following the 1808 abdication of Charles IV and his son Ferdinand VII, Napoleon installed his brother Joseph Bonaparte as king, triggering the Peninsular War. While the French occupation prompted the formation of regional juntas and the 1812 Constitution—Spain's first—the return of Ferdinand VII in 1814 saw the swift restoration of absolutism. This set a pattern of oscillation: liberal uprisings, such as the 1820 pronunciamiento led by Rafael del Riego, were repeatedly suppressed, most notably by the French '100,000 Sons of Saint Louis' in 1823, which ushered in the 'Ominous Decade' of reactionary rule.

The collapse of Spain's American empire during these decades fundamentally altered the state's trajectory. By 1825, the loss of mainland colonies was largely complete, finalized by military defeats like the Battle of Ayacucho in 1823. This loss, coupled with the death of Ferdinand VII in 1833, ignited a new internal conflict. His daughter Isabella II succeeded him under the Pragmatic Sanction, but her uncle Carlos contested the throne, sparking the Carlist Wars. This struggle pitted reactionary defenders of the ancien régime against liberal government forces, leading to significant social shifts, including the 1836 Ecclesiastical Confiscations of Mendizábal, which targeted church land to address state insolvency.

Political instability persisted throughout Isabella's reign, marked by military intervention and revolutionary attempts, such as the 1854 revolution. The cycle culminated in the 1868 Glorious Revolution, which deposed the queen. The subsequent years saw a rapid succession of regimes: a provisional government, the brief reign of Amadeo of Savoy, the First Spanish Republic, and finally, the 1874 coup that restored the Bourbon dynasty under Alfonso XII. This era of turmoil reflected a nation caught between the desire for constitutional reform and the deep-seated influence of traditionalist, absolutist, and regionalist forces.

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