Napoleonic era had seized Paris forcing his abdication in 1814. His return to power the next year was resisted by all the allies and his army was defeated by an Anglo-Allied force at Waterloo. Heads and leaders of states affected by Napoleon's regime and the Napoleonic wars: Napoleonic era The Napoleonic era is a period in the history of France and Europe. It is generally classified as including the fourth and final stage of the French Revolution, the first being the National Assembly, the second being the Legislative Assembly, and the third being the Directory. The Napoleonic era begins roughly with Napoleon
Napoleonic Wars in response. This led to most of the losses of the main column of the "Grande Armée", which in one case amounted to 95,000 men, including deserters, in a week. The main Russian army retreated for almost three months. This constant retreat led to the unpopularity of Field Marshal Michael Andreas Barclay de Tolly and a veteran, Prince Mikhail Kutuzov, was made the new Commander-in-Chief by Tsar Alexander I. Finally, the two armies engaged in the Battle of Borodino on 7 September, in the vicinity of Moscow. The battle was the largest and bloodiest single-day action of the Napoleonic Wars,