Russia Against Napoleon

Not until the first week in September did the allied pursuit come to a halt. By then MacDonald’s army had been pushed right back into Saxony and had lost 35,000 men even according to French sources. The Army of Silesia had also lost heavily but very many of its missing men were exhausted Prussian militiamen who would in time return to the ranks. This was far less true of the French wounded and missing, who had been overrun by the allied advance. Napoleon could not afford such losses. Nor could he afford to have Blücher established within striking range of Dresden, the Elbe crossings and the other allied armies. The disaster which had befallen MacDonald’s army made it very unlikely that the emperor would be able to execute his plan to take his Guards and reserves north to deal with Bernadotte.

Victory hugely raised the morale and confidence of Blücher’s army and resolved many of the tensions which had existed among its commanders. Langeron’s disobedience was forgiven. Blücher’s report to Alexander on the battle of the Katzbach won for Sacken promotion to full general and the Order of St George, second class. The day after the battle Blücher told every Prussian within earshot that victory had been owed in great part to Sacken’s handling of his cavalry and artillery. The next time Sacken rode past Yorck’s corps he was greeted with volleys of cheers from the Prussian troops. All this was balm for the soul of a man who for many years had seen himself as the victim of injustice and bad luck. The battle of the Katzbach was the turning point in Sacken’s fortunes. He would die many years after the war a prince, a field-marshal and one of the most respected figures in Russia.⁴⁷

However great Blücher’s victories were, in the end the fate of the campaign would rest above all on the performance of the main allied army, in other words Schwarzenberg’s Army of Bohemia. It contained many more troops than the armies of Bernadotte and Blücher combined. Only the Army of Bohemia could hope to confront and defeat Napoleon himself. Moreover, only the Army of Bohemia contained a large contingent of Austrian troops. Potentially, Austria remained the weak link in the coalition. If the main army was destroyed or seriously weakened and Bohemia was invaded, then there was a real chance that Austria would renew negotiations with Napoleon or even drop out of the war.

In June and July Schwarzenberg and Radetsky had assumed that if the Austrians joined the war Napoleon would strike first against them into Bohemia. The allies tended to share this view and in any case were anxious to calm Austrian fears in any way possible. From an early stage in joint military consultations, therefore, it was planned to send Wittgenstein and 25,000 men into Bohemia to reinforce the Austrians. As unexpected numbers of reserves and men returning from hospital flowed into the allied regiments plans became more ambitious. When Count Latour, Schwarzenberg’s representative, arrived at allied headquarters on 22 July to carry forward joint planning he was surprised to discover that the allies had hugely increased the size of the force they intended to send into Bohemia to assist the Austrians. In addition to the whole of Wittgenstein’s Army Corps, they also earmarked Lieutenant-General von Kleist’s Prussian Army Corps and the Grand Duke Constantine’s Reserve Army Corps, which included the Russian and Prussian Guards, the Russian Grenadier Corps and the three Russian cuirassier divisions. In all, 115,000 Russians and Prussians would now march from Silesia into Bohemia the moment war was renewed.

The Austrians had slightly mixed feelings about this. On the one hand this huge reinforcement, which included the best troops in the allied armies, made a great contribution to the defence of Bohemia. On the other hand enormous last-minute efforts were required to feed all these men. Worst of all, there was no way that Frederick William, let alone Alexander, would resign all control over their elite regiments and what was now unequivocally both the main allied army and the core of the allied war effort. With the Russian and Prussian divisions came the two monarchs, as distinctly unwelcome guests in Schwarzenberg’s headquarters.⁴⁸