The san agustiacuten was a 74ndashgun ship of the line built at the royal shipyard in guarnizo santander in 1768 by francisco gautier after fighting during the american war of independence and in the battle of cape st vincent 1780 she took part of the napoleonic wars where she fought at the battle of algeciras in 1801 and the battle of trafalgar in 1805 in trafalgar under the command of felipe jado and cagigal with 711 men aboard she was surrounded by several ships of nelsonrsquos squa