Military history of Spain Portugal and engage French forces on the frontiers while Spanish "guerrilleros" wore down the occupiers. Acting in concert, regular and irregular allied forces prevented Napoleon's marshals from subduing the rebellious Spanish provinces. The Spanish navy, put to sea in support of France during the War of the Third Coalition in 1805, suffered terrible losses at the Battle of Trafalgar, having been weakened by yellow fever in the preceding years; in many ways this marked the nadir of Spanish naval history. The events in mainland Spain had extensive consequences for her empire. Spain's colonies in the Americas had shown an increasing
Battle of Hastenbeck The battle eventually resulted in the Convention of Klosterzeven on September 18 and the occupation of Hanover. During the battle, Hastenbeck was almost completely destroyed: only the church, the manse, and the farm house were not destroyed. Battle of Hastenbeck The Battle of Hastenbeck (26 July 1757) was fought as part of the Invasion of Hanover during the Seven Years' War between the allied forces of Hanover, Hesse-Kassel (or Hesse-Cassel) and Brunswick, and the French. The allies were defeated by the French army near Hamelin in the Electorate of Hanover. The French, who were allied with Austria, Russia, Sweden and