1800s (decade)

Coronation of Napoleon ICeres (dwarf planet)MorphinePeace of Pressburg (1805)De Rivaz engineHaitian RevolutionCharlotte DundasLouisiana Purchase
From top left, clockwise: Napoleon Bonaparte is crowned Emperor of the French Empire and embarked on trans-European conquests, which would later on be best known as the Napoleonic Wars – a conflict that forever transformed European politics, and gave rise to the global struggle for hegemony; Ceres was discovered, proving the existence of an asteroid belt between the Solar System's inner and outer planets; Inventor Isaac de Rivas created a hydrogen gas-powered vehicle, an inception to automotive engineering and internal combustion engines; - The Louisiana Purchase was made, singlehandedly expanding the United States of America in a scale larger than ever; to this day the purchase is still viewed as one of the largest expansions within North America to date; Symington's Charlotte Dundas became the world's first functioning steamboat; Haiti declares independence in 1804, becoming the world's first black-led republic and the first independent Caribbean state, with its victory marking the world's arguably only successful slave revolution in history; Morphine is successfully isolated from opium and is produced for the first time as a separate medicinal product in 1804; Francis II abdicates in 1806, thus dissolving the Holy Roman Empire.

The 1800s (pronounced "eighteen-hundreds") was a decade of the Gregorian calendar that began on 1 January 1800, and ended on 31 December 1809.

The term "eighteen-hundreds" could also mean the entire century from 1 January 1800 to 31 December 1899 (the years beginning with "18"), and is almost synonymous with the 19th century (1801–1900).

The decade was a period of drastic change. The advancements of the previous three decades towards the end of the 18th century had propelled the Industrial Revolution into a global movement, with entire wars fought with the newly developed technologies – creating an impetus to imperialist campaigns across Africa and Asia, as well as the counter-movement on Latin America later on.


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