At the time of the "May Revolution", marine, large majorities Spanish and realistic retreated in Montevideo, home to the naval station and where warships were overlooking the River Plate waters for several years. Consequently the first Argentine squadrons had to face a powerful and long-standing naval force. Two men were the creators of "The First Squadron Argentina", Juan Bautista Azopardo and Francisco de Gurruchaga. The first born on the island of Malta, marine privateer in the service of France. The crew was obtained by a cam on the Line Infantry regiments ., formed by Creoles Three boats formed the First Squadron: the schooner "Invincible" of 12 guns and 66 men commanded by Azopardo, the brig "May 25" of 18 guns and 108 men led by Hipólito Bouchard and the sloop "American" 3 guns and 26 men led by Abel Hubac of French origin as Bouchard. In total 200 men of different origins and 33 guns to deal with the Spanish Armada. This squadron to the Spanish squad faced the March 2, 1811 in San Nicolas de los Arroyos, suffering a defeat where the ships were captured and taken prisoner Captain Azopardo; subjected to a process and accused of treason transferred to the prison of Ceuta.