The rumor of the march of the King [Frederick] gained credit. Information was received by Lacy and Czernichef that he intended to cut off their retreat. This hastened their departure, and they retired on October 12th. The Russians repassed the Oder at Frankfort and Schwedt; and on the 15th Soltikoff marched toward Landsberg on the Warthe. Lacy pillaged whatever he could find on his route, and in three days regained Torgau. The Prince of Wurtemberg and Hulsen, embarrassed as to how to act, had turned toward Coswig, and cantoned there for want of knowing where to go.
At Gross-Morau the King heard these different accounts. As there were no more Russians to combat, he was at liberty to direct all his efforts against Saxony; therefore, instead of taking the route to Koepenick, he took that of Lueben. Marshal Daun, however, had followed the King into Lusatia. He then approached Torgau, and, as it was known that he had left Laudon at Loewenberg, General Goltz had orders to return into Silesia, to oppose the attempts of the Austrians with his utmost abilities. On the 22d the army of the King arrived at Jessen. The troops of the Prince de Deuxponts extended wholly along the left shore of the Elbe. He and the greatest part of his forces were at Prata, opposite Wittenberg; this fortress he evacuated as soon as the van of the Prussians appeared near the town.
The sudden changes that had happened during this campaign required new measures to be taken and other dispositions to be made. The Prussians had not a single magazine in all Saxony. The army of the King existed from day to day; he drew some little flour from Spandau, but this began to fail; add to this, the enemy occupied all Saxony. Daun had arrived at Torgau, the troops of the circles held the course of the Elbe, and the Duke of Wurtemberg occupied the environs of Dessau. To free himself from so many enemies, the King ordered Hulsen and the Prince of Wurtemberg to march to Magdeburg, there to pass the Elbe, and escort the boats loaded with flour which were to come to Dessau, where the King resolved to pass the Elbe with the right of his army, and afterward join Hulsen.
In the principality of Halberstadt the Prince of Wurtemberg had a rencounter with a detachment of the Duke, his brother, which was entirely destroyed. The Duke returned with all speed through Merseburg and Leipsic to Naumburg. The right of the King passed the Elbe on the 26th, and joined Hulsen and the Prince near Dessau. On this movement the Prince de Deuxponts abandoned the banks of the Elbe, and retired through Duben to Leipsic. He had left Ried in the rear, in a forest between Oranienbaum and Kemberg, where this officer had taken post, with little judgment; having garnished the woods with his hussars, and posted his pandoors in the plain.
The van of the Prussians attacked Ried; his scattered troops were beaten in detail and his corps almost destroyed. Of thirty-six hundred men he could only assemble one thousand seven hundred, at Pretsch, to which place he was driven after the action.
When the army of the King had obtained Kemberg, Zieten, who with the left had stopped the enemy at Wittenberg, passed the Elbe and joined the main army. Marshal Daun had, however, come up with Lacy at Torgau. As certain information was received that his vanguard had taken the road to Eulenburg, he could be supposed to have no other intention than that of joining the army of the circles. On this the army marched to Duben, to oppose a junction so prejudicial to the interests of the King.
Here arriving, a battalion of Croats was found, who were all either taken or put to the sword. At this place the King formed a magazine: it seemed the most convenient post because it is a peninsula and nearly surrounded by the Mulde. Some redoubts were constructed; and ten battalions under Sydow were left for its defence.
The army of the King thence marched to Eulenburg. The Austrian troops that had encamped in that vicinity retired, through Mochrena to Torgau, with so much precipitate haste that they abandoned a part of their tents. The army encamped with the right at Thalwitz and the left at Eulenburg. Hulsen was obliged to pass the Mulde with some battalions. He took a position between Belzen and Gostevra, opposite the Prince de Deuxponts, whose army was at Taucha. Under the present circumstances the first thing necessary was to drive the troops of the circles to a distance, as well because they were on the rear of the Prussians as to prevent their union with the Austrians. This cost but little trouble; Hulsen gave them the alarm, and they decamped the same night, passed the Pleisse, and then the Elster, and retreated to Zeitz. Major Quintus, with his free battalion, vigorously charged their rear-guard; from which he took four hundred prisoners. After so happily terminating this expedition, the Prussians recovered possession of Leipsic, and Hulsen rejoined the army.
Every event hitherto (November) had turned to the advantage of the King. The irruption of the Russians and the taking of Berlin, which might appear to induce consequences so great, ended in a manner less afflicting than could have been expected. Contributions and money only were lost. The enemy was driven from the frontiers of Brandenburg. Wittenberg and Leipsic were recovered; and the troops of the circle were repulsed to a distance too considerable for it to be feared they should join the Imperialists with promptitude; but all was not yet done, and the projects that remained were the most difficult part of the whole.
The Russians kept at Landsberg on the Wartha and there might remain peaceful spectators of what should pass in Saxony. The King, however, was informed that other reasons engaged them not to march to too great a distance; for their design was, should the Austrians obtain any advantages over the army of the King, or should Marshal Daun maintain Torgau, to reënter the electorate of Brandenburg, and, conjointly with the Austrians, to take up their quarters on the banks of the Elbe. The consequence of such a project would have been fatally desperate to Prussia. By this position they would cut off the army, not only from Silesia and Pomerania, but from Berlin itself—that nursing mother which supplied clothing, arms, baggage, and every necessary for the men. Add to which the troops would have no quarters to take except beyond the Mulde, between the Pleisse, the Saale, the Elster, and the Unstrut. This would have been a space too narrow to supply the army with subsistence through the winter. And whence should magazines for the spring, uniforms, and recruits be obtained?