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Regiment of Mounted Grenadiers

Regimiento de Granaderos a Caballo General San Martín
The "Upper Peru" Fanfare Brass Band of the Regiment of Mounted Grenadiers playing the San Lorenzo march during a Guard Mounting ceremony at the Casa Rosada.
Active March 16, 1812 - Modern day
Country  Argentina
Branch Argentine Army
Type Infantry
Role Honor guard
Nickname(s) Regimiento de Granaderos a Caballo
Patron José de San Martín
March San Lorenzo march
Anniversaries March 16 (creation), February 3 (baptizm of fire)
Engagements Battle of San Lorenzo
Commanders
Current
commander
Julio Néstor Junco
Notable
commanders
José de San Martín

The Regiment of Mounted Grenadiers (Spanish: Regimiento de Granaderos a Caballo) is the name of two Argentine Army regiments of two different time periods: a historic regiment that operated from 1812 to 1826, and a modern cavalry unit that was organized in 1903.

The first Regiment of Mounted Grenadiers, formed in 1812, fought in the Argentine War of Independence under José de San Martín, and the Cisplatine War, subsequently becoming the Presidential bodyguard in 1825. Refusing to replenish its membership with soldiers who had not fought in the Argentine War of Independence, the regiment disbanded in 1826.

The second Regiment of Mounted Grenadiers was formed in 1903, and serves as the national ceremonial unit. It claims the original regiment of 1812 as its heritage, but has no direct link or lineage. As a unit, it has never been in combat, although ten members of the regiment were seconded to other units which fought in the Falklands.

The original regiment was founded by Argentine national hero José de San Martín in 1812. Its first military action was the Battle of San Lorenzo (1813). The regiment also played a key role as part of the Army of the Andes (Ejército de los Andes) in the battles of Chacabuco (1817) and Maipú (1818) in Chile. Traveling to Perú, Ecuador, and Bolivia, the Grenadiers took part in the Battles of Riobamba, Pichincha (1822) and Ayacucho (1824), and in the Cisplatine War. The size of the regiment fell to 120 men and it was disbanded in 1827.

When then Lt. Col. of Cavalry Jose de San Martin arrived on March 9, 1812, the First Triumvirate recognized him for his services as a Cavalry officer in the Spanish Army. After studying the Argentine Army's organizational and strategic problems, he offered to put his experiences from the Peninsular War to use in assisting with the Argentine War for Independence.


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