Battle of Montmirail  The Battle of Montmirail (11 February 1814) was fought between a French force led by Emperor Napoleon and two Allied corps commanded by Fabian Wilhelm von Osten-Sacken and Ludwig Yorck von Wartenburg. In hard fighting that lasted until evening, French troops including the Imperial Guard defeated Sacken's Russian soldiers and compelled them to retreat to the north. Part of Yorck's Prussian I Corps tried to intervene in the struggle but it was also driven off. The battle occurred near Montmirail, France during the Six Days Campaign of the Napoleonic Wars. Montmirail is located east of Meaux. After Napoleon crushed Zakhar Dmitrievich Olsufiev's small isolated corps in the Battle of Champaubert on 10 February, he found himself in the midst of Gebhard Leberecht von Blücher's widely-spread Army of Silesia. Leaving a small force in the east to watch Blücher, Napoleon turned the bulk of his army to the west in an attempt to destroy Sacken. Unaware of the size of Napoleon's army, Sacken tried to smash his way east to join Blücher. The Russians managed to hold their ground for several hours, but were forced back as more and more French soldiers appeared on the battlefield. Yorck's troops belatedly arrived only to be repulsed, but the Prussians distracted the French long enough to allow Sacken's Russians to join them in a withdrawal to the north. The following day would see the Battle of Château-Thierry as Napoleon launched an all-out pursuit. On the 1st of February 1814, Prussian Field Marshal Gebhard Leberecht von Blücher commanding 80,000 Allied soldiers from his own Army of Silesia and Austrian Field Marshal Karl Philipp, Prince of Schwarzenberg's Army of Bohemia defeated Napoleon with 45,000 French troops in the Battle of La Rothière. Elated by their triumph, the Allied commanders devised a new plan whereby Schwarzenberg advanced from Troyes toward Paris while Blücher operated on a more northerly axis from Châlons-sur-Marne toward Meaux. The two armies would be linked by Peter Wittgenstein's corps and a scouting force led by Alexander Nikitich Seslavin. Within a few days the cautious Schwarzenberg began pulling Wittgenstein's troops to the south. Believing the war was almost over, Blücher pressed rapidly west after a smaller French force under Marshal Jacques MacDonald.