Final answer:
The meeting held to defeat Napoleon was called the Congress of Vienna.
Step-by-step explanation:
The meeting you are referring to is known as the Congress of Vienna. It took place from September 1814 to June 1815 and was attended by representatives from four major European powers at the time: Austria, Prussia, Russia, and the United Kingdom. The main objective of the Congress was to restore stability and redraw the map of Europe after the French Revolutionary and Napoleonic Wars. The Congress of Vienna played a significant role in shaping the geopolitical landscape of Europe for years to come.
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