THREE:Wellington proceeded to put Badajoz into a strong state of defence, but he was soon called off by the movements of Marmont, who, in his absence, had advanced and invested both Ciudad Rodrigo and Almeida. Wellington left General Hill to watch the south, which was the more necessary as Soult was in strong force at Seville, and Victor before Cadiz. That general had made a vigorous attack on Tarifa towards the end of December, but was repulsed with much loss by Colonel Skerrett. Hill, who had about twelve thousand men, made a successful attack on some strong forts near Almaraz, on the Tagus, erected by the French to protect their bridge of boats there��thus closing the communication between Soult in the south and Marmont in the north. In these satisfactory circumstances, Wellington[27] broke up his cantonments between the Coa and the Agueda on the 13th of June, and commenced his march into Spain with about forty thousand men. Of these, however, one column consisted of Spaniards, on whom he wisely placed little reliance, and his cavalry was small and indifferently officered in comparison with the infantry. Marmont had as many infantry as himself, and a much more numerous and better disciplined cavalry. As Wellington advanced, too, he learned that General Bonnet, with a force upwards of six thousand strong, was hastening to support Marmont. That general abandoned Salamanca as Wellington approached, and on the 17th the British army entered the city, to the great joy of the people, who, during the three years which the French had held it, had suffered inconceivable miseries and insults; not the least of these was to see the usurper destroy twenty-two of the twenty-five colleges in this famous seat of learning, and thirteen out of twenty-five convents. Troops were left in different forts, both in the city and by the bridge over the river Tormes, which forts had chiefly been constructed out of the materials of the schools and monasteries. These were soon compelled to surrender, but not without heavy loss. Major Bowes and one hundred and twenty men fell in carrying those by the bridge. After different man?uvres, Marmont showed himself on the British right, near San Christoval, where he was met by a division under Sir Thomas Graham, who had beaten the French at Barrosa. Fresh man?uvres then took place: Marmont crossing and recrossing the Douro, and marching along its banks, to cut off Wellington from his forces in Salamanca, and to enable himself to open the way for King Joseph's troops from Madrid. This being accomplished, and being joined by General Bonnet, he faced the army of Wellington on the Guare?a. On the 20th of July he crossed that river, and there was a rapid movement of both armies, each trying to prevent the other from cutting off the way to Salamanca and Ciudad Rodrigo. On that day both armies were seen marching parallel to each other, and now and then exchanging cannon-shots. The military authorities present there describe the scene of those two rival armies��making a total of ninety thousand men, and each displaying all the splendour and discipline of arms, each general intent on taking the other at some disadvantage��as one of the finest spectacles ever seen in warfare. The next day both generals crossed the river Tormes��Wellington by the bridge in his possession, the French by fords higher up. They were now in front of Salamanca, Marmont still man?uvring to cut off the road to Ciudad Rodrigo. On the morning of the 22nd Marmont, favoured by some woods, gained some advantage in that direction; but Wellington drew up his troops in great strength behind the village of Arapiles, and Marmont extending his left to turn the British right flank, Wellington suddenly made a desperate dash at his line, and cut it in two. Marmont's left was quickly beaten on the heights that he had occupied, and was driven down them at the point of the bayonet. Marmont was so severely wounded that he was compelled to quit the field, and give up the command to Bonnet; but Bonnet was soon wounded too, and obliged to surrender the command to General Clausel, who had just arrived with reinforcements from "the army of the north," of which Wellington had had information, and which induced him to give battle before he could bring up all his force. Clausel reformed the line, and made a terrible attack on the British with his artillery; but Wellington charged again, though the fight was up hill; drove the French from their heights with the bayonet once more, and sent them in full rout through the woods towards the Tormes. They were sharply pursued by the infantry, under General Anson, and the cavalry, under Sir Stapleton Cotton, till the night stopped them. But at dawn the same troops again pursued them, supported by more horse; and overtaking the enemy's rear at La Serna, they drove it in��the cavalry putting spurs to their horses, and leaving the foot to their fate. Three battalions of these were made prisoners. As the French fled, they encountered the main body of Clausel's army of the north, but these turned and fled too; and on the night of the 23rd the fugitives had reached Flores de Avila, thirty miles from the field of battle. The flight and pursuit were continued all the way from Salamanca to Valladolid.To insure a powerful diversion, the Sultan had engaged the military co-operation of Sweden. Sweden had been forcibly deprived of Finland by Peter the Great, and she longed to recover it. She had a brave army, but no money. The Grand Turk, to enable her to commence the enterprise, had sent her a present of about four hundred thousand pounds sterling. Sweden put her fleet in preparation in all haste, and had Pitt merely allowed the Russian fleet to quit the Baltic, there was nothing to prevent the execution of the Swedish design on Finland, nor, indeed, of marching directly on St. Petersburg in the absence of the army.