- Cuyo Province
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This article is about the historical Argentine Province of Cuyo. For the Argentine geographical Cuyo Region, see Cuyo (Argentina). For the historical Corregimiento de Cuyo, see Captaincy General of Chile.
The Province of Cuyo was a historical Province of Argentina. Created on 14 November 1813 by a decree issued by the Second Triumvirate, it had its capital on Mendoza, and was composed by the territories of the present Argentine Provinces of Mendoza, San Juan and San Luis.
The region was part of Chile until 1778. It was transferred to Buenos Aires when La Plata became a Viceroyalty that year
Its first and foremost Governor was José de San Martín, who devoted his Governorship to the creation of the Army of the Andes and the preparations for the Crossing of the Andes campaign.
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