It is during the retreat that the Cossacks entered legend. As temperatures dropped to -30°C, the French army disintegrated. The Cossacks did not fight; they hunted. They would wait until a French column collapsed from exhaustion, then ride in with sabers, taking thousands of prisoners daily. At the , Cossack patrols discovered the only fordable crossing, leading to the massacre of Napoleon’s last effective forces.
The Cossack taught Europe a brutal lesson: that discipline and technology mean nothing without the will to survive, and that the man on the fastest horse, with the sharpest saber, and the emptiest stomach, will always win the long war. Cossacks- European Wars