(LXIX.) To CHARLES X., KING OF SWEDEN, _Feb._ 1655-6:[1]--This letter also is very important, though less in itself than in its circumstances; and it requires introduction.--Charles X., or Charles Gustavus (Karl Gustav), the successor of Queen Christina on the Swedish throne, was proving himself a man of energy. Chancellor Oxenstiern, so long the leading statesman of Sweden, had died in Aug. 1654, just after the accession of Charles; and under the new King, with the younger Oxenstiern for his Chancellor, Sweden had entered on a career of war, which was to continue through his whole reign, and the aim of which was little less than the extension of Sweden into an Empire across the Baltic. He had begun with Poland, between which and Sweden there was an old feud, and the King of which then was John Casimir. Other powers, however, had been immediately stirred by the war. Denmark, Russia, and the German empire generally, were interested in saving Poland, and therefore tended to an alliance against Karl Gustav; while, on the other hand, the Great Elector of Brandenburg, Friedrich-Wilhelm, found it convenient for the present, in the interests of his Prussian possessions, to be on the side of Sweden. Cromwell had not been likely at first to interfere directly in such a complicated continental quarrel; and, indeed, as we have seen from a previous letter of his to the Swedish King (ante p. 166), his first feeling on hearing of the Swedish movements on the Continent had been that of regret at the disturbance of the Peace of Westphalia. Still Sweden was a power which commanded Cromwell's respect. Nor was Charles X., on his side, less anxious to retain the friendship of the great English Protector. On succeeding Christina he had accepted and ratified her Treaty with Cromwell--"Whitlocke's Treaty," as it may be called; he had sent a Mr. PETER COYET to be Swedish Resident in London; and, after he had begun his Polish war, there was nothing he desired more than some yet closer partnership between himself and Cromwell, that might unite Sweden and England in a common European policy. Accordingly, in July 1655, Charles X. being then in camp in Poland, there had arrived in London a splendid Swedish embassy extraordinary, consisting of COUNT CHRISTIERN BUNDT, and other noblemen and gentlemen, with attendants, to the number of two hundred persons in all, "generally proper handsome men and fair-haired." Whitlocke, who was naturally called in by the Protector on this occasion, describes with unusual gusto the reception of the Embassy. There was a magnificent torchlight procession of coaches, most of them with six horses, to convey the Ambassador and his suite from Tower Wharf, where they landed, to Sir Abraham Williams's house in Westminster; there were feastings and other entertainments, at the Lord Protector's charge,