Question

in which battle Napoleon was defeated

Answer 1

here is your answer
The Battle of Waterloo was fought on Sunday, 18 June 1815, near Waterloo in present-dayBelgium, then part of the United Kingdom of the Netherlands. A French army under the command of Napoleon Bonaparte was defeated by two of the armies of the Seventh Coalition: a British-led Allied army under the command of the Duke of Wellington, and aPrussian army under the command ofGebhard Leberecht von Blücher, Prince of Wahlstatt. The battle marked the end of theNapoleonic Wars.

Battle of Waterloo
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Answer 2

On 18 June 1815, Napoleon defeated at Waterloo.