Explanation

Napoleon was defeated in the Battle of Waterloo.

The Battle of Waterloo was fought on 18 June 1815

The battle was fought between Napoleon's French Army and a coalition led by the Duke of Wellington and Marshal Blücher.

Battle of Waterloo resulted in:

1. End of the Seventh Coalition 
2. Final Defeat of Napoleon
3. ENd of the Napoleonic War.

Additional information:

Napoleon Bonaparte was the Emperor of the French.

He ruled France twice.

The first reign was from 1804 to 1814

The second reign was in 1815.

He fought more than 70 battles