Argentine Confederation

Argentine history

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June 18, 2026

Quick Summary

The Argentine Confederation was a historical state that existed in what is now Argentina between 1831 and 1861. It was a loose union of provinces, with Buenos Aires holding significant power. The period was marked by internal conflicts and struggles for national consolidation.

Key events include:
* The adoption of a constitution in 1853, which Buenos Aires initially refused to join.12
* The incorporation of Buenos Aires by force in 1859, followed by a civil war where Buenos Aires ultimately defeated the confederation's forces.12
* The War of the Triple Alliance (1865-1870) involving Argentina, Brazil, and Uruguay against Paraguay.12

This era saw significant economic development with foreign investment, European immigration, and advancements in infrastructure and agriculture, alongside political instability and the strengthening of the national armed forces. The period concluded with the election of Bartolomé Mitre as president in 1862, with Buenos Aires becoming the seat of government, leading to the eventual unification of the country.12

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Paraná
…was made capital of the Argentine Confederation. Until 1862, while Buenos Aires was separated from the confederation, Paraná was the residence of the federal authorities, which boosted its economic, cultural, and population growth. Development was sustained after it was made the provincial capital in 1882.
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…was made capital of the Argentine Confederation. Until 1862, while Buenos Aires was separated from the confederation, Paraná was the residence of the federal authorities, which boosted its economic, cultural, and population growth. Development was sustained after it was made the provincial capital in 1882.
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Córdoba
…independence, it joined (1816) the Argentine Confederation, which it later (1852–62) strongly supported against the political dominance of Buenos Aires. Completion of the railway from Rosario in 1869 was the first important transportation link with the east, but Córdoba has retained its provincial loyalties.
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…independence, it joined (1816) the Argentine Confederation, which it later (1852–62) strongly supported against the political dominance of Buenos Aires. Completion of the railway from Rosario in 1869 was the first important transportation link with the east, but Córdoba has retained its provincial loyalties.
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Entre Ríos
…as head of the new Argentine Confederation, made Paraná city the national capital. The downfall of Urquiza in 1861 led to the reinstatement of Buenos Aires as the capital. In the second half of the 19th century, Entre Ríos was settled by large numbers of Italian, German, and Swiss immigrants,…
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…as head of the new Argentine Confederation, made Paraná city the national capital. The downfall of Urquiza in 1861 led to the reinstatement of Buenos Aires as the capital. In the second half of the 19th century, Entre Ríos was settled by large numbers of Italian, German, and Swiss immigrants,…
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