
The Battle of Austerlitz, also known as the Battle of the Three Emperors, was a decisive victory for Napoleon's troops over the Russo-Austrian army. The battle, which took place on December 2, 1805, was one of Napoleon's greatest military victories and is often regarded as a tactical masterpiece. The French army, despite being outnumbered, successfully tricked the Allies into attacking their right flank, weakening the Allied centre, which was then attacked by the French. The Allied army, which included many inexperienced Austrians, was forced to withdraw, and the French captured thousands of prisoners. This defeat led to an armistice and the Treaty of Pressburg, which took Austria out of the war and the Coalition, and imposed heavy losses of territory and finances on the Austrian Empire.
| Characteristics | Values |
|---|---|
| Date | 2 December 1805 |
| Location | Austerlitz, Austrian Empire (now Slavkov u Brna, Czech Republic) |
| Context | War of the Third Coalition, Napoleonic Wars |
| Belligerents | French Empire, Russian Empire and Austrian Empire |
| Commanders | Napoleon I (French), Tsar Alexander I (Russo-Austrian) |
| Troop Numbers | 68,000 French, 90,000 Russo-Austrian |
| Casualties | 9,000 French, 24,000 Russo-Austrian (15,000 killed/wounded, 11,000 captured) |
| Outcome | French victory, Treaty of Pressburg |
| Impact | End of the Third Coalition, French hegemony in Italy, creation of the Confederation of the Rhine |
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What You'll Learn

The French army's strategic positioning
In the days leading up to the battle, Napoleon gave the impression that the French army was in a pitiful state. He abandoned the dominant Pratzen Heights near Austerlitz and weakened his right flank, enticing the Allies to launch an assault on his right, which was his weakest point. This weakened the Allied centre, which was then attacked by Marshal Soult's IV Corps, demolishing the Allied centre and enabling the French to sweep through both flanks.
Napoleon also made effective use of his troops' positioning. He concentrated his troops around Brünn, and when the Austro-Russian forces took up a position on the Pratzen plateau, he sent Louis Saint-Hilaire's division of Soult's corps to launch a decisive attack. Despite facing intense resistance, the French eventually captured the plateau, cutting the enemy in two.
The French division led by St. Hilaire played a critical role in the battle. They advanced under the cover of a dense fog, which was suddenly ripped apart by the "Sun of Austerlitz," revealing a large number of French troops to the stunned Russian soldiers and commanders on the heights. The desperate fighting that ensued forced the French to withdraw initially, but they launched a fierce counterattack, ultimately dislodging the Allies from the heights.
Napoleon's strategic positioning and deception created a trap that induced the Allies to attack where he wanted them to. His tactics successfully exploited the Allies' overextension and resulted in a decisive French victory, showcasing his military genius.
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The element of surprise
Napoleon skillfully employed deception to mislead his opponents and exploit their overconfidence. In the days leading up to the battle, Napoleon gave the impression that the French army was in a pitiful state. He abandoned the dominant Pratzen Heights near Austerlitz and deliberately weakened his right flank, inviting the Allies to launch an assault. This ruse enticed the Allies, who were confident in their numerical superiority, to initiate the attack, playing right into Napoleon's hands.
The Allied deployment against the French right flank inadvertently weakened their center on the Pratzen Heights. Napoleon seized this opportunity to launch a decisive attack with the IV Corps of Marshal Soult, demolishing the Allied center. With the center broken, the French swept through both flanks, routing the Allies and capturing thousands of prisoners.
Napoleon's strategic maneuvering and feigned weakness paid off, catching the Allies off guard and leading to their downfall. The element of surprise, combined with Napoleon's tactical brilliance, ensured a decisive French victory at Austerlitz, which had far-reaching consequences for the War of the Third Coalition and the political structures of Europe.
Furthermore, the legendary "Sun of Austerlitz" also played a role in the element of surprise during the battle. A dense fog had initially concealed the advance of St. Hilaire's French division. However, as they ascended the slope, the sun broke through the mist, revealing a large number of French troops advancing towards the Russian and Allied commanders atop the heights. This unexpected sight stunned the Allies, who were forced to scramble to reinforce their positions. Despite the Allies' efforts, the French, driven by the encouraging sunlight, fought desperately and ultimately dislodged the Allies from the heights.
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The Sun of Austerlitz
In the days leading up to the battle, Napoleon executed a brilliant deception, feigning weakness and enticing the Allies to launch an assault on his right flank, which was deliberately weakened. As the Allies attacked, the legendary Sun of Austerlitz broke through the dense fog, revealing a large number of French troops advancing towards the Russian and Austrian soldiers on the Pratzen Heights. The Allies were stunned by the sight of the vast French force, and the resulting battle became known as the Battle of the Three Emperors.
The French victory at Austerlitz was a tactical masterpiece, showcasing Napoleon's military genius. It reversed his precarious political and military situation and secured his imperial regime. The battle ended with heavy Allied casualties and the capture of thousands of prisoners, shaking the will of Emperor Francis I of Austria to continue resisting Napoleon. The battle ultimately led to the Treaty of Pressburg, which took Austria out of the war and the Coalition, confirming the loss of territories to France and its allies and imposing a significant indemnity on the Habsburgs.
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Austria's lack of preparation
In the lead-up to the battle, the Austrian generals made several strategic errors. They became overconfident, believing that the French, who were outnumbered, would retreat to Vienna. This led them to make the logical but ultimately unsuccessful maneuver of overextending their left towards Austerlitz and Aujest, seeking to outflank the French right. However, this left their wing isolated and vulnerable.
The Austrians' lack of preparation was also evident in the composition of their troops. A significant number of their soldiers were inexperienced, and they lacked effective leadership. The Austrian Chief of Staff, Franz von Weyrother, made the ill-fated decision to strongly support an immediate attack, influenced by Napoleon's deceptive show of weakness. This played right into Napoleon's hands, as he had intentionally created an impression of chaos and anxiety to entice the Allies to occupy the Pratzen Heights, where they could be attacked.
The Battle of Austerlitz, also known as the Battle of the Three Emperors, was a major engagement in the Napoleonic Wars. It took place on December 2, 1805, and resulted in a decisive victory for Napoleon's Grande Armée over the Russo-Austrian army. The battle demonstrated Napoleon's tactical genius and had far-reaching consequences for European politics, including the end of the Third Coalition and the creation of the Confederation of the Rhine.
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The impact on the Holy Roman Empire
The Battle of Austerlitz, fought on 2 December 1805, was a major victory for Napoleon's armies and a crushing defeat for the Austrians. The battle brought an end to the War of the Third Coalition and had a profound impact on the Holy Roman Empire.
Firstly, the defeat at Austerlitz forced Austria to make peace with France and exit the Coalition. The Treaty of Pressburg, signed on 26 December 1805, confirmed the Austrian loss of territories in Italy and Bavaria to France, and in Germany to Napoleon's German allies. It also imposed a heavy indemnity of 40 million francs on the Habsburgs. This treaty effectively ended the Holy Roman Empire, as it rendered it virtually useless, and Francis dissolved it in 1806.
Secondly, the battle and the preceding campaign altered the nature of European politics. The French occupation of Vienna and the defeat of two armies humbled the Austrian Empire and demonstrated the power of Napoleon's armies. This set the stage for a period of French domination on the continent, with Napoleon obtaining his greatest triumphs in the years following Austerlitz.
Thirdly, the defeat at Austerlitz had a significant impact on the will of Emperor Francis to resist Napoleon further. The Austrians had already suffered heavy losses in the lead-up to the battle, with thousands surrendering or being taken prisoner. The decisive nature of the French victory at Austerlitz left the remnants of the Allied army scattered, and this further weakened the position of the Holy Roman Empire.
Finally, the battle had wider implications for the Napoleonic Wars as a whole. The creation of the Confederation of the Rhine, a collection of German states intended as a buffer zone between France and the eastern powers, further isolated Austria and its allies. Prussia, which had remained neutral during the War of the Third Coalition, was goaded into war in 1806, joining the anti-French alliance. However, this did not establish a lasting peace on the continent, and the Napoleonic Wars continued until Napoleon's defeat and exile in 1814, with Austria playing a leading role in the War of Liberation.
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Frequently asked questions
The Austrian army was inadequately equipped, insufficiently trained, understaffed, and indifferently led.
The Battle of Austerlitz, also known as the Battle of the Three Emperors, was a major engagement in the Napoleonic Wars. It was fought on December 2, 1805, and was one of Napoleon's greatest victories.
The battle occurred near the town of Austerlitz in the Austrian Empire (now Slavkov u Brna in the Czech Republic).
Around 158,000 troops were involved, of which around 24,000 were killed or wounded.
The battle was a decisive victory for the French troops, commanded by Emperor Napoleon I. The Austro-Russian army, commanded by Tsar Alexander I, suffered a heavy defeat, losing 15,000 troops and having 11,000 captured.




































