Qualla: Battle of San Lorenzo

Battle of San Lorenzo: Introduction

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit anonymous, Public domain. The whole thing lasted about fifteen minutes. At dawn on February 3, 1813, on a flat plain above the Paraná River, José de San Martín hid his cavalry behind a convent and waited for royalist troops to climb the steep bank from their ships. When they reached the top, his grenadiers swept in from two sides at once. It was the first time this regiment had ever fought, and the first time San Martín had drawn a sabre in the wars of South American independence. It would also be the only battle he ever fought on what is now Argentine soil - the man who would go on to liberate Chile and Peru began here, in a quarter-hour of dust and noise that cost sixteen of his men their lives.

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Image: anonymous | Public domain

Battle of San Lorenzo: Why the River Mattered

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit Instituto Nacional de Investigaciones Históricas Juan Manuel de Rosas, Public domain. By 1813 the revolution in Buenos Aires had reasons for cautious hope - victories at Tucumán and Salta had steadied a shaky cause. But the royalist stronghold of Montevideo, though under siege, still controlled the river, and its ships ranged up the Paraná raiding coastal towns fo...

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Image: Instituto Nacional de Investigaciones Históricas Juan Manuel de Rosas | Public domain

Battle of San Lorenzo: A Night Inside the Convent

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit Albertonassivera, CC BY-SA 3.0. The plain offered no cover - which was the problem, and also, in the end, the solution. The cavalry could not hide in open country, so on the night of February 2 the grenadiers slipped in through the rear door of the San Carlos Convent and went silent. No fires. No talking. From ...

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Image: Albertonassivera | CC BY-SA 3.0

Battle of San Lorenzo: Fifteen Minutes at Daybreak

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit Belgrano, Public domain. The royalists came ashore at 5:30 in the morning, formed two columns with their cannon, and started up the ladder-shaped path cut into the bank. San Martín gave a short speech, divided his roughly 120 horsemen into two wings, and sent them in - one led by him, the other by Justo ...

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Image: Belgrano | Public domain

Battle of San Lorenzo: The Men Who Saved Him

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit Julio Vila y Prades, Public domain. San Martín nearly died in the dust. His horse was shot from under him and fell, pinning his leg, and a royalist - probably the enemy commander himself - slashed his face and put a bullet through his arm. Two of his own men reached him in time: Juan Bautista Baigorria and Juan Bau...

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Image: Julio Vila y Prades | Public domain

Battle of San Lorenzo: Mercy After the Charge

Sun, 21 Jun 2026 00:00:00 GMT

Photo credit Francisco Fortuny, Public domain. What San Martín did next is remembered almost as much as the fight. He took no hostages and demanded no ransom. When the defeated commander, Zabala, asked for help tending his wounded, San Martín gave it - and then invited Zabala to share a large breakfast, hoping to persuade him...

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Image: Francisco Fortuny | Public domain