Napoleonic era had seized Paris forcing his abdication in 1814. His return to power the next year was resisted by all the allies and his army was defeated by an Anglo-Allied force at Waterloo. Heads and leaders of states affected by Napoleon's regime and the Napoleonic wars: Napoleonic era The Napoleonic era is a period in the history of France and Europe. It is generally classified as including the fourth and final stage of the French Revolution, the first being the National Assembly, the second being the Legislative Assembly, and the third being the Directory. The Napoleonic era begins roughly with Napoleon
Napoleonic Wars Vienna, enabled the "greatest intercontinental migration in human history" beginning with "a big spurt of immigration after the release of the dam erected by the Napoleonic Wars." Immigration inflows relative to the US population rose to record levels (peaking at 1.6% in 1850-51) as 30 million Europeans relocated to the United States between 1815 and 1914. Another concept emerged from the Congress of Vienna – that of a unified Europe. After his defeat, Napoleon deplored the fact that his dream of a free and peaceful "European association" remained unaccomplished. Such a European association would share the same principles of government,