What day in December did Napoleon complete what is considered his greatest victory ?
In two days of fighting , the French had lost some 6,000 casualties to the Coalition 's 4,000 , and yet Napoleon had been fortunate , for on 10 March he might have been decisively defeated were it not for the incredible paralysis that had overtaken the Army of Silesia , following the complete collapse of Blucher 's health - With the elderly Prussian general convinced that he was dying and was about to enter a better world , he steadfastly declined to issue any orders or discuss the military situation at hand .