He entered Moscow on September 14th, and fire broke out the next night, the first effect of which was still further to alarm the Russians, who believed it to be the work of the French. The fire raged fiercely till the 20th, and a great part of the city was burned to the ground. Had the victory of Borodino been more decisive the czar might now have yielded; but as it was he listened to the advice of Stein and Sir R. Wilson and refused to treat, thus putting Napoleon in a dilemma. His plans were always made on the basis of immediate success, and the course to be adopted in case of failure was not considered. Again he hesitated, with the result that when at last he resolved to retire from Moscow, the winter, coming earlier than usual, upset his calculations, and the miseries of that terrible retreat followed. He left Moscow on October 18th, and, reaching the Beresina with but 12,000 men, was joined there by Oudinot and Victor, who had been holding the line of the Dwina, with 18,000. His passage of the river was opposed, but he succeeded in crossing, and on December 6th the miserable remnant of the Grand Army reached Vilna. Macdonald, Reynier, and Schwarzenberg, with 100,000 men, on the Polish frontier and in the Baltic provinces, were safe; but this was the whole available remnant of the 600,000 with which the campaign commenced. All Europe now united against him. The French armies were discouraged, and the allies enthusiastic; but the latter had difficulties to contend with from their heterogeneous composition and diversity of interests. The campaign opened with varying fortune. A blow at Berlin was parried by Buelow at Gross Beeren on August 23d. Napoleon himself forced Bluecher back to the Katzbach, but had to retire again to defend Dresden from the Austrians; and his lieutenant, Macdonald, was defeated in the battle of the Katzbach on August 26th. Napoleon inflicted a crushing defeat on the Austrians before Dresden on the 27th, but, while preparing to cut off their retreat, was disturbed by the news of Gross-Beeren and the Katzbach and by sudden illness, and at Kulm lost Vandamme with 20,000 men. September was spent in fruitless marches, and toward the end of the month the allies began their converging march on their preconcerted rendezvous at Leipsic. At the same time the Confederation of the Rhine began to dissolve. The kingdom of Westphalia was upset on October 1st, and on the 8th Bavaria joined Austria. The toils were closing round Napoleon, and between October 14th and 19th he was crushed in that battle of the Titans at Leipsic, and, brushing aside the Bavarians, who tried to stop him at Haynau, on November 1st, led back the remnant of his army, some 70,000 strong, across the Rhine at Mainz.