In 1806 and 1807 the British attempted to invade Buenos Aires and Montevideo, in Uruguay on the Río de La Plata. They were defeated by Santiago de Liniers, the First Count of Argentina. (jan 1, 1806 – jan 1, 1807)
Added to timeline:
Date:
jan 1, 1806
jan 1, 1807
~ 12 months