Ganteaume's expeditions of 1801 Alexandria on 29 June and immediately invaded, rapidly advancing inland and defeating the Mamluk rulers of Egypt at the Battle of the Pyramids on 21 July. While the army had pushed inland, the fleet, under Vice-Admiral François-Paul Brueys D'Aigalliers, had anchored in Aboukir Bay near Alexandria, and was found there in the afternoon of 1 August by Nelson's fleet. Despite the growing darkness, Nelson attacked at once and in the three-day Battle of the Nile destroyed or captured eleven ships of the line and two frigates. Just two ships of the line and two frigates escaped and among the more
Atlantic campaign of 1806 sailed from Cadiz and was intercepted by Nelson, resulting in the Battle of Trafalgar. Although Nelson was killed at the height of the battle, his squadron inflicted a devastating defeat on the combined fleet, capturing or destroying 17 French or Spanish ships, including Villeneuve's flagship. The battered remnants of the French Mediterranean and Spanish Atlantic fleets retreated to Cadiz, although four French ships fled north and were intercepted and captured at the Battle of Cape Ortegal two weeks later. In total, the campaign cost Napoleon 13 French and 12 Spanish ships, eliminating any possibility of even regional superiority at sea