On August 12, 1812, Martín Güemes, a gaucho from Salta who would become a hero of Argentine independence, led a daring cavalry assault on a British ship. The vessel had run aground in the Río de la Plata. Güemes and his troops successfully forced the surrender of the British naval crew through a bold charge. This event, known as "La toma del Justine," demonstrated Güemes’s military prowess during the British invasions. The action highlighted the effectiveness of Argentine cavalry tactics against the British navy. It was a significant, albeit localized, victory for the independence movement. This early success contributed to Güemes's rising reputation as a formidable military leader.