What was the battle that ensured the French would control the European continent?

The Battle of Austerlitz, fought on December 2, 1805, is often regarded as the decisive engagement that ensured French control over much of the European continent. Also known as the Battle of the Three Emperors, it saw Napoleon Bonaparte's forces decisively defeat the combined armies of Russia and Austria. This victory solidified French dominance in Europe and led to the establishment of the Confederation of the Rhine, effectively diminishing the influence of Austria and strengthening Napoleon's power.