
The Battle of Austerlitz, also known as the Battle of the Three Emperors, was a major engagement in the Napoleonic Wars. The battle, which took place on December 2, 1805, saw Emperor Napoleon I's French army defeat the Russo-Austrian army, commanded by Tsar Alexander I. Napoleon's troops, despite being outnumbered, successfully lured the Allies into attacking his right flank, weakening their centre on the Pratzen Heights. The French army then swept through both flanks, routing the Allies and capturing thousands of prisoners. This victory, considered one of Napoleon's tactical masterpieces, ended the War of the Third Coalition and forced Austria to make peace with France, agreeing to an armistice and signing the Treaty of Pressburg, which resulted in significant territorial and financial losses for Austria.
| Characteristics | Values |
|---|---|
| Date | 2nd December 1805 |
| Location | Austerlitz, Austrian Empire (now Slavkov u Brna, Czech Republic) |
| Belligerents | France and its client states, Spain and Bavaria vs. the Third Coalition (United Kingdom, Austrian Empire, Russian Empire, Naples, Sicily, and Sweden) |
| Commanders | France: Napoleon Bonaparte Third Coalition: Tsar Alexander I, Emperor Francis I of Austria, and General Mikhail Kutuzov |
| Troop Strength | France: 67,000-68,000 Third Coalition: 73,000-90,000 |
| Casualties | France: 9,000 Third Coalition: 15,000 killed or wounded, 11,000 captured |
| Outcome | French victory |
| Significance | Ended the War of the Third Coalition, led to the Treaty of Pressburg, and established French hegemony in Italy |
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What You'll Learn

Poor Austrian preparation
The Austrian forces' poor preparation for the Battle of Austerlitz, also known as the Battle of the Three Emperors, was a key factor in their defeat. The Austrian army was inadequately equipped, insufficiently trained, understaffed, and poorly led. The Austrian statesmen and generals miscalculated, believing that their alliance with Russia would deter Napoleon from attacking. They were unaware that Napoleon had gathered a major force along the French Atlantic coast, intending to invade Great Britain, and they failed to anticipate his shift in strategy.
The Austrian army's lack of preparation was evident in several ways. Firstly, they lacked sufficient weaponry and resources, which put them at a disadvantage against the better-equipped French forces. Secondly, the Austrians had not undergone adequate training, which impacted their ability to effectively coordinate and execute tactics on the battlefield. Thirdly, the Austrian forces were understaffed, with only 68,000 troops compared to Napoleon's 90,000. This disparity in numbers put them at a significant disadvantage, as they were outnumbered and unable to match the French army's strength.
Furthermore, the Austrian leadership was ineffective and indecisive. The Austrian Emperor Francis I offered an armistice, indicating a possible lack of confidence in their ability to continue the fight. The Austrian Chief of Staff, Franz von Weyrother, made strategic miscalculations and supported an immediate attack based on Napoleon's feigned display of weakness. This decision to engage prematurely, without waiting for the arrival of the second Russian army and the Archduke Charles, proved detrimental to their chances of victory.
The Austrian forces' poor preparation resulted from a combination of factors, including limited financial resources and a lack of strategic foresight. Stadion, the Austrian leader, proposed raising large armies, but the monarchy could not finance such endeavours. Instead, he suggested supplementing regular troops with trained reserves and militia, appealing to nationalism to inspire his people to fight. However, these efforts were ultimately insufficient to match the might of Napoleon's forces, leading to the decisive defeat at Austerlitz.
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French tactical superiority
The Battle of Austerlitz, fought on December 2, 1805, was a significant victory for Napoleon and his French troops over the Russo-Austrian army. The battle, also known as the Battle of the Three Emperors, was one of the most important military engagements of the Napoleonic Wars. It was fought near Austerlitz in the Austrian Empire (now Slavkov u Brna in the Czech Republic). The French victory at Austerlitz is often regarded as a tactical masterpiece, showcasing Napoleon's military genius.
In the lead-up to the battle, Napoleon employed deception to mislead the Allies about the strength of his army. He gave the impression that the French army was in a pitiful state, even abandoning the dominant Pratzen Heights near Austerlitz and weakening his right flank. This enticed the Allies to launch an assault on his right flank, intending to roll up the French line. However, Napoleon had anticipated this move and countered it effectively.
The French tactical superiority was evident in their ability to exploit the Allies' mistakes and take advantage of the terrain. The Allied deployment against the French right flank weakened their centre on the Pratzen Heights. Napoleon seized this opportunity and ordered Marshal Soult's IV Corps to attack the centre. The Allies were caught off guard, and the French successfully swept through both flanks, routing the Allies and capturing thousands of prisoners.
Napoleon's tactics were also influenced by his understanding of the importance of morale and psychology in warfare. He intentionally expressed anxiety and hesitation to his opponents, including the Tsar's aides and the Austrian Chief of Staff, Franz von Weyrother. This created a sense of false confidence among the Allies, who strongly supported an immediate attack. Napoleon's ability to manipulate his opponents' perceptions and exploit their mistakes contributed to the French tactical superiority.
The French victory at Austerlitz had far-reaching consequences. It ended the War of the Third Coalition and established French hegemony in Italy. The subsequent Treaty of Pressburg imposed harsh terms on Austria, including the loss of territories and heavy compensation. Austerlitz also set the stage for a decade of French domination on the European continent, influencing the political landscape and leading to the creation of the Confederation of the Rhine, a collection of German states intended as a buffer zone between France and the eastern powers.
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Coalition numerical advantage
The Battle of Austerlitz, fought on December 2, 1805, was a major engagement in the Napoleonic Wars. The battle, which took place during the War of the Third Coalition, pitted the forces of the First French Empire against the armies of the Russian Empire and the Austrian Empire. The French forces, commanded by Emperor Napoleon I, scored a decisive victory over the Russo-Austrian army, led by Tsar Alexander I.
The Coalition forces, comprising around 90,000 Russian and Austrian troops, significantly outnumbered the French army of 68,000. However, despite their numerical advantage, the Coalition forces suffered a crushing defeat at the hands of Napoleon's troops. The French army's superior tactics and coordination, coupled with Napoleon's strategic genius, proved to be decisive factors in the outcome of the battle.
In the lead-up to the battle, Napoleon employed deception and feigned weakness to lure the Coalition forces into a false sense of security. He intentionally abandoned dominant positions, such as the Pratzen Heights, and weakened his right flank, enticing the Allies to launch an assault on his seemingly vulnerable flank. This played into Napoleon's hands, as he intended to use this maneuver to split the enemy forces and attack their center.
The Coalition forces, overconfident in their numerical strength, took the bait and initiated their attack. However, they underestimated the determination and fighting spirit of the French troops. The French army, despite being outnumbered, fought with tenacity and discipline. They exploited gaps in the Coalition lines and launched decisive attacks, such as the assault on the Pratzen plateau led by Louis Saint-Hilaire's division.
The Coalition forces, despite their greater numbers, struggled with coordination and confusion. Delays in deploying their columns hindered their ability to respond to Napoleon's maneuvers. The French army, on the other hand, displayed flexibility and adaptability, quickly retaking lost positions and cutting through the enemy lines.
In the end, the Coalition's numerical advantage was not enough to overcome the tactical brilliance of Napoleon and the tenacity of his troops. The Battle of Austerlitz resulted in a resounding victory for the French, with the Russo-Austrian army suffering around 15,000 casualties and 11,000 captured, compared to the French army's 9,000 casualties. This decisive defeat forced Austria to make peace with France and significantly weakened the Third Coalition.
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Russo-Austrian inexperience
The Battle of Austerlitz, fought on 2 December 1805, was a major engagement in the Napoleonic Wars. The battle pitted the First French Empire against the combined forces of the Russian and Austrian Empires. The battle was a decisive victory for the French, who were outnumbered more than two to one, with 68,000 troops defeating a force of 90,000 Russians and Austrians. The battle was a tactical masterpiece by Emperor Napoleon I, who had gathered his forces around Brünn. The Austro-Russian forces, led by Tsar Alexander I, were confident that the French, outnumbered as they were, would not dare to attack and believed that they could hold out until the arrival of the second Russian army and the Archduke Charles.
However, one of the key factors contributing to the French victory was the Russo-Austrian inexperience. The Austrian army in particular was still inadequately equipped, insufficiently trained, and indifferently led. The war itself had been sparked by miscalculations on the part of Austrian foreign ministers, who believed that an alliance with Russia in late 1804 would deter Napoleon from attacking. When the Austrians took the field in 1805, they were not prepared for the conflict. The Austrian forces that participated in the Battle of Austerlitz included a significant number of inexperienced soldiers, who were nonetheless thrown into the bitter fighting. Despite their initial success in forcing the French to withdraw, the inexperienced Austrian troops were ultimately unable to match the discipline and combat effectiveness of their French counterparts.
In addition to their inexperience, the Russo-Austrian forces also suffered from confusion and delays. The fourth column, led by Kolowrat, was delayed due to confusion among the allied staff, and this delay opened up a gap in their lines that was exploited by Napoleon's forces. The Russo-Austrian forces also failed to anticipate Napoleon's deception in the days preceding the battle, as he gave every indication that the French army was in a pitiful state. He even abandoned the dominant Pratzen Heights near Austerlitz, enticing the Allies to launch an assault on his right flank. This weakened the Allied centre, which was then attacked and demolished by the French, allowing them to sweep through both flanks and rout the Allies.
The defeat at Austerlitz had far-reaching consequences for the Russo-Austrian forces. The battle ended the War of the Third Coalition and forced Austria to make peace with France, agreeing to an armistice and signing the Treaty of Pressburg. The treaty imposed heavy losses on Austria, including the cession of important territories and a 40 million franc indemnity. The defeat also led to the creation of the Confederation of the Rhine, a collection of German states intended as a buffer zone between France and the eastern powers.
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The Confederation of the Rhine
The formation of the Confederation of the Rhine was a significant outcome of the Battle of Austerlitz, which took place on December 2, 1805. The battle was a major engagement in the Napoleonic Wars and one of Napoleon's most celebrated military victories. Napoleon's troops, numbering around 68,000, defeated a combined force of 90,000 Russians and Austrians under General Mikhail Kutuzov. The French victory was made possible by Napoleon's strategic deception, which lured the Allies into attacking his weakened right flank, allowing him to sweep through their flanks and rout them.
The defeat at Austerlitz forced Austria to make peace with France and concede territory. Napoleon's victory also enabled him to establish the Confederation of the Rhine as a collection of German states allied with France. The Confederation provided a buffer between France and the powerful eastern states, particularly Austria and Prussia. This strategic move secured French dominance in Germany and protected its eastern frontier.
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Frequently asked questions
The Austrian army was inadequately equipped, insufficiently trained, understaffed, and indifferently led. The French army, led by Napoleon, tricked the Allies into attacking the French right flank, weakening the Allied centre on the Pratzen Heights, which was then attacked by the IV Corps of Marshal Soult. The French defeated the Allies, capturing thousands of prisoners.
The battle brought the War of the Third Coalition to an end, forcing Austria to make peace with France and agree to an armistice. The Treaty of Pressburg was signed on 26 December 1805, which took Austria out of the war and the Coalition. The treaty also confirmed the Austrian loss of lands in Italy and Bavaria to France, and in Germany to Napoleon's German allies.
Around 158,000 troops were involved, of which around 24,000 were killed or wounded. Napoleon's 68,000 troops defeated 90,000 Russians and Austrians under General M.I. Kutuzov.
A dense fog helped to cloud the advance of St. Hilaire's French division. However, as they ascended the slope, the Sun of Austerlitz ripped the mist apart, revealing a large number of French troops, and encouraging them forward.




























