The Italian Prince Who Tried to Rule Spain and Ended Up With a Republic

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

In short: Elected to the Spanish throne in 1870, Amadeo I faced a gauntlet of assassination, rebellion, and aristocratic boycotts. His three-year reign was a masterclass in political instability, ultimately fracturing the ruling coalition and paving the way for the First Spanish Republic. He remains the only Savoyard to wear the Spanish crown.

Born in 1845 to the future King of Italy, Victor Emmanuel II, Amadeo was an unlikely candidate for the Spanish throne. Following the 1868 deposition of Isabella II, the Spanish Cortes searched for a liberal-leaning monarch. Amadeo was elected in November 1870, but his arrival was shadowed by the assassination of his chief supporter, General Juan Prim. Amadeo took his oath of office in January 1871 in the presence of Prim’s corpse, a grim omen for his short-lived reign.

Amadeo’s tenure was defined by the collapse of the "conciliation" government, which aimed to bridge the gap between Progressives and Unionists. Instead, the political landscape splintered. The nobility and ecclesiastical hierarchy, loyal to the Bourbons, boycotted his court, while the Carlists in the north and Republicans in the cities actively sought to dismantle his monarchy. His government was further paralyzed by the "Rebellion of the Mantillas," where aristocratic women used symbols of the old order to isolate the king and his wife, Maria Vittoria, in a social deep freeze.

By 1872, the political situation had deteriorated into a series of crises. The Progressive Party fractured into Sagasta’s conservative faction and Ruiz Zorrilla’s radical "Cimbrios" alliance. Despite attempts to form a stable two-party system, the king faced constant pressure from a palace camarilla and radical newspapers that accused him of being a foreign puppet. After failing to secure a lasting majority and facing mounting unrest, Amadeo abdicated in 1873. His departure immediately triggered the declaration of the First Spanish Republic, ending his brief and tumultuous experiment in Spanish governance.

Amadeo’s reign serves as a case study in the fragility of imported monarchies. His inability to reconcile the competing demands of radical reformers, traditionalist Carlists, and the entrenched nobility left him without a viable power base. He returned to Italy, leaving behind a nation that had moved beyond the need for his crown.

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