1800s 34702 224975873 2008-07-11T07:33:44Z Lightbot 7178666 Units/dates/other {{dablink|This article is about the decade 1800CE-1809CE. For the century CE, see 19th century.}}{{Decadebox|180}} ==Events and trends== ===Technology=== * Invention of the [[Jacquard loom]] in 1801. * [[Ultraviolet|Ultraviolet radiation]] is discovered by [[Johann Wilhelm Ritter]] in 1801. * [[Flag semaphore]] is gradually adopted by various [[navy|navies]] of the world. * [[Morphine]] is isolated from [[opium]] for the first time in 1804. * [[Nicolas François Appert]] develops a method to preserve food by means of [[canning]]. * [[John Dalton]] publishes his atomic theory 1803. ===Astronomy=== * The first known [[asteroids]] are discovered in this decade: ** [[Ceres (dwarf planet)|Ceres]] ([[1801-01-02]]). Ceres is reclassified as a [[dwarf planet]] in 2006. ** [[2 Pallas|Pallas]] ([[1802-03-28]]) ** [[3 Juno|Juno]] ([[1804-09-01]]) ** [[4 Vesta|Vesta]] ([[1807-03-29]]) ===War, peace and politics=== * End of the [[Quasi-War]] (1800). * The [[First Barbary War]] (1801–1805) is fought between the [[United States]] and the [[Barbary States]] of [[North Africa]]. * The [[Kingdom of Great Britain]] and the [[Kingdom of Ireland]] merge into the [[United Kingdom of Great Britain and Ireland]] in 1801. * In 1803, the US acquired the [[Louisiana Purchase|Louisiana Territories]] from [[France]]. * The [[Second Anglo-Maratha War]] (1803-1805) is fought between the [[Peshwa|Maratha Peshwa]] on one side and minor chieftains of the Maratha Confederacy [[Sindhia]],[[Bhonsle]] and [[Holkar]] on the other resulting in a crushing defeat of the rebel chieftains and the breakup of the Maratha confederacy. * [[Haiti]] gains [[independence]] from France on [[1804-01-01]], becoming the first [[Black people|black]] [[republic]]. * The [[Fulani War]] (1804–1810) is fought in present day [[Nigeria]] and [[Cameroon]]. * The [[First Serbian Uprising]] (1804−1813) marks the first time in 300 years [[Serbia]] perceives itself an independent state. * End of the [[French Revolutionary Wars]] (1792-1802). * Beginning of the [[Napoleonic Wars]] (1803–1815). * Beginning of the [[Russo-Turkish War (1806–1812)]] between [[Russia]] and the [[Ottoman Empire]]. ==World leaders== * Emperor [[Napoleon I of France|Napoleon I]] ([[First French Empire]]) * Emperor [[Francis II, Holy Roman Emperor|Francis II]] ([[Holy Roman Empire]]) * [[Frederick William III of Prussia]] ([[Prussia]]) * [[Pope Pius VII]] * [[Tsar]] [[Paul I of Russia|Paul I]] ([[Russia]]) * Tsar [[Alexander I of Russia|Alexander I]] (Russia) * King [[Charles IV of Spain|Charles IV]] ([[Spain]]) * King [[Gustavus IV Adolphus]] ([[Sweden]]) * King [[Charles XIII]] ([[Sweden]]) * King [[George III of the United Kingdom|George III]], ([[United Kingdom of Great Britain and Ireland]]) * [[President of the United States|President]] [[John Adams]] ([[United States]]) * President [[Thomas Jefferson]] (United States) * [[Fath Ali Shah]] of [[Qajar dynasty]] ([[Persia]]) * [[Jiaqing Emperor]] of [[China]] ([[Qing Dynasty]]) * [[Mughal Empire]] * [[Shah Alam II]] 1759-1806 * [[Akbar II]] 1806-1837 * [[Baji Rao II]]([[Peshwa]] of the [[Maratha Empire|Marathas]]) * Maharaja [[Ranjit Singh]] ([[Sikh Empire|Sikh Empire, Punjab]]) 1801-1839 [[Category:1800s| ]] [[als:1800er]] [[ar:عقد 1800]] [[ast:Años 1800]] [[zh-min-nan:1800 nî-tāi]] [[be:1800-я]] [[be-x-old:1800-я]] [[bs:1800te]] [[br:Bloavezhioù 1800]] [[ca:Dècada del 1800]] [[cv:1800-мĕш çулсем]] [[cy:1800au]] [[da:1800'erne]] [[de:1800er]] [[et:1800. aastad]] [[es:Años 1800]] [[eo:1800-aj jaroj]] [[eu:1800eko hamarkada]] [[fr:Années 1800]] [[ga:1800í]] [[gv:1800yn]] [[gd:1800an]] [[gan:1800年代]] [[ko:1800년대]] [[hr:1800-ih]] [[io:1800a yari]] [[id:1800-an]] [[os:1800-тæ]] [[is:1801–1810]] [[it:Anni 1800]] [[jv:1800-an]] [[ka:1800-იანები]] [[kk:1800 жж.]] [[la:Decennium 181]] [[lt:XIX amžiaus 1-as dešimtmetis]] [[hu:1800-as évek]] [[mr:इ.स.चे १८०० चे दशक]] [[ms:1800-an]] [[nl:1800-1809]] [[ja:1800年代]] [[no:1800-årene]] [[nrm:Annaées 1800]] [[uz:1800-lar]] [[pl:Lata 1800-1809]] [[pt:Década de 1800]] [[ksh:1800-er Joohre]] [[ro:Anii 1800]] [[ru:1800-е]] [[se:1800-lohku]] [[sq:Vitet 1800]] [[scn:1800ini]] [[simple:1800s]] [[sk:0. roky 19. storočia]] [[sl:1800.]] [[su:1800-an]] [[fi:1800-vuosikymmen]] [[sv:1800-talet (decennium)]] [[ta:1800கள்]] [[tt:1800. yıllar]] [[uk:1800-ті]] [[wa:Anêyes 1800]] [[zh-yue:1800年代]] [[zh:1800年代]]