It was on 18 June 1815.
The Battle of Waterloo.
He was defeated at the Battle of Waterloo.
Napoleon lost the Battle of Waterloo in Belgium, which signaled the end of the first French Empire.
he did not weaken France but his last battle was the battle of Waterloo he weaken France then because he lost the battle of Waterloo so it was the end of napoleon at the battle.
About 25000 casualties + 7000 men taken prisoner
Napoleon was the Emperor of France and Waterloo is where he fought and lost his final battle.
Waterloo.
The Battle of Waterloo.
At the Battle of Waterloo.
Napoleon lost the Battle of Waterloo to the Seventh Coalition.
He didn't. Napoleon was almost never wounded, and certainly went to his grave with all parts intact.
Napoleon lost in Spain and took a huge defeat in Russia. These two losses were two huge factors in Napoleon's downfall. His final loss was at the Battle of Waterloo in Belgium.