The conflict began in May 1803, just 14 months after the Peace of Amiens , when the Royal Navy fired on French vessels. Central to Napoleon's success was the , which utilised a corps d'armée system for greater speed and mobility. Napoleon often personally led his troops, frequently having horses shot from under him during battle. 2. Major Campaigns and Victories

Often cited as his greatest victory, it led to the defeat of Austria and Russia and the subsequent Treaty of Pressburg .

The tide began to turn as coalition powers—primarily —began to present a united front against French preponderance.

Austria, Prussia and Russia against Napoleon - Taylor & Francis

Part of the Danube campaign, this secured French dominance over Central Europe. 3. The Turning Points