The Napoleonic Wars (1803–1815) were a series of conflicts fought between the First French Empire under Napoleon Bonaparte (1804–1815) and a fluctuating array of European coalitions. The wars originated in political forces arising from the French Revolution (1789–1799) and from the French Revolutionary Wars (1792–1802) and produced a period of French domination over Continental Europe.[32] The wars are categorised as seven conflicts, five named after the coalitions that fought Napoleon, plus two named for their respective theatres: the War of the Third Coalition, War of the Fourth Coalition, War of the Fifth Coalition, War of the Sixth Coalition, War of the Seventh Coalition, the Peninsular War, and the French invasion of Russia.[33] The first stage of the war broke out when Britain declared war on France on 18 May 1803, alongside the Third Coalition. In December 1805, Napoleon defeated the allied Russo-Austrian army at Austerlitz, thus forcing Austria to make peace. Concerned about increasing French power, Prussia led the creation of the Fourth Coalition, which resumed war in October 1806. Napoleon soon defeated the Prussians at Jena-Auerstedt and the Russians at Friedland, bringing an uneasy peace to the continent. The treaty had failed to end the tension, and war broke out again in 1809, with the Austrian-led Fifth Coalition. At first, the Austrians won a significant victory at Aspern-Essling but were quickly defeated at Wagram. Hoping to isolate and weaken Britain economically through his Continental System, Napoleon launched an invasion of Portugal, the only remaining British ally in continental Europe. After occupying Lisbon in November 1807, and with the bulk of French troops present in Spain, Napoleon seized the opportunity to turn against his former ally, depose the reigning Spanish royal family, and declare his brother King of Spain in 1808 as José I. The Spanish and Portuguese thus revolted, with British support, and expelled the French from Iberia in 1814 after six years of fighting.
1. Background
Napoleon seized power in 1799, establishing a military dictatorship.[35] There are numerous opinions on the date to use as the formal beginning of the Napoleonic Wars; 18 May 1803 is often used, when Britain and France ended the only short period of peace between 1792 and 1814.[36] The Napoleonic Wars began with the War of the Third Coalition, which was the first of the Coalition Wars against the First French Republic after Napoleon's accession as leader of France. Britain ended the Treaty of Amiens, declaring war on France in May 1803. Among the reasons were Napoleon's changes to the international system in Western Europe, especially in Switzerland, Germany, Italy, and the Netherlands. Historian Frederick Kagan argues that Britain was irritated in particular by Napoleon's assertion of control over Switzerland. Furthermore, Britons felt insulted when Napoleon stated that their country deserved no voice in European affairs, even though King George III was an elector of the Holy Roman Empire. For its part, Russia decided that the intervention in Switzerland indicated that Napoleon was not looking toward a peaceful resolution of his differences with the other European powers.[36] The British hastily enforced a naval blockade of France to starve it of resources. Napoleon responded with economic embargoes against Britain, and sought to eliminate Britain's Continental allies to break the coalitions arrayed against him. The so-called Continental System formed a League of Armed Neutrality to disrupt the blockade and enforce free trade with France. The British responded by capturing the Danish fleet, breaking up the league, and later secured dominance over the seas, allowing it to freely continue its strategy. Napoleon won the War of the Third Coalition at Austerlitz, forcing the Austrian Empire out of the war, and formally dissolving the Holy Roman Empire. Within months, Prussia declared war, triggering a War of the Fourth Coalition. This war ended disastrously for Prussia, which had been defeated and occupied within 19 days of the beginning of the campaign. Napoleon subsequently defeated Russia at Friedland, creating powerful client states in Eastern Europe and ending the Fourth Coalition. Concurrently, the refusal of Portugal to commit to the Continental System, and Spain's failure to maintain it, led to the Peninsular War and the outbreak of the War of the Fifth Coalition. The French occupied Spain and formed a Spanish client kingdom, ending the alliance between the two. Heavy British involvement in the Iberian Peninsula soon followed, while a British effort to capture Antwerp failed. Napoleon oversaw the situation in Iberia, defeating the Spanish, and expelling the British from the Peninsula. Austria, eager to recover territory lost during the War of the Third Coalition, invaded France's client states in Eastern Europe in April 1809. Napoleon defeated the Fifth Coalition at Wagram. Plans to invade British North America pushed the United States to declare war on Britain in the War of 1812, but it did not become an ally of France. Grievances over control of Poland, and Russia's withdrawal from the Continental System, led to Napoleon invading Russia in June 1812. The invasion was an unmitigated disaster for Napoleon; scorched earth tactics, desertion, French strategic failures and the onset of the Russian winter compelled Napoleon to retreat with massive losses. Napoleon suffered further setbacks: French power in the Iberian Peninsula was broken at the Battle of Vitoria the following summer, and a new alliance began, the War of the Sixth Coalition. The coalition defeated Napoleon at Leipzig, precipitating his fall from power and eventual abdication on 6 April 1814. The victors exiled Napoleon to Elba and restored the Bourbon monarchy. Napoleon escaped from Elba in 1815, gathering enough support to overthrow the monarchy of Louis XVIII, triggering a seventh, and final, coalition against him. Napoleon was then decisively defeated at Waterloo, and he abdicated again on 22 June. On 15 July, he surrendered to the British at Rochefort, and was permanently exiled to remote Saint Helena. The Treaty of Paris, signed on 20 November 1815, formally ended the war. The Bourbon monarchy was once again restored, and the victors began the Congress of Vienna to restore peace to Europe. As a direct result of the war, the Kingdom of Prussia rose to become a great power,[37] while Great Britain, with its unequalled Royal Navy and growing Empire, became the world's dominant superpower, beginning the Pax Britannica.[38] The Holy Roman Empire had been dissolved, and the philosophy of nationalism that emerged early in the war contributed greatly to the later unification of the German states, and those of the Italian peninsula. The war in Iberia greatly weakened Spanish power, and the Spanish Empire began to unravel; Spain would lose nearly all of its American possessions by 1833. The Portuguese Empire also shrank, with Brazil declaring independence in 1822.
2. Start date and nomenclature
No consensus exists as to when the French Revolutionary Wars ended and the Napoleonic Wars began. Possible dates include 9 November 1799, when Bonaparte seized power on 18 Brumaire, the date according to the Republican Calendar then in use;[46] 18 May 1803, when Britain and France ended the one short period of peace between 1792 and 1814; or 2 December 1804, when Bonaparte crowned himself Emperor.[47] British historians occasionally refer to the nearly continuous period of warfare from 1792 to 1815 as the Great French War, or as the final phase of the Anglo-French Second Hundred Years' War, spanning the period 1689 to 1815.[48] Historian Mike Rapport (2013) suggested using the term "French Wars" to unambiguously describe the entire period from 1792 to 1815.[49] In France, the Napoleonic Wars are generally integrated with the French Revolutionary Wars: Les guerres de la Révolution et de l'Empire.
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