1840s
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| Centuries: 18th century - 19th century - 20th century | |
| Decades: 1810s 1820s 1830s - 1840s - 1850s 1860s 1870s | |
| Years: 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 | |
Contents |
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Events and Trends
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Technology
- First use of general anesthesia in an operation, by Crawford Long
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War, peace and politics
- First signing of the Treaty of Waitangi (Te Tiriti o Waitangi) on February 6, 1840 at Waitangi New Zealand. The treaty between the British Crown and Maori made New Zealand a British colony and is considered the founding point of modern New Zealand.
- Mexican-American War (1846 - 1848) fought between Mexico and the United States of America. The latter emerges victorious and gains undisputed control over Texas while annexing portions of Arizona, California and New Mexico.
- Wave of revolutions in Europe. Collectively known as the Revolution of 1848. This leads to mass emigration of these refugees into industrial cities of the United States as well as to other locations around the world.
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Culture and Religion
- Karl Marx writes The Communist Manifesto, first published on February 21, 1848.
- Gideon T. Stewart becomes a Good Templars leader.
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Other
- Introduction of the postage stamp. The first of them is Penny Black, issued by the United Kingdom on May 1, 1840.
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World Leaders
- Emperor Ferdinand I (Austria)
- Chancellor Klemens Wenzel von Metternich (Austria)
- Emperor Franz Josef (Austria-Hungary)
- King Louis-Philippe (France)
- Pope Gregory XVI
- Pope Pius IX
- Emperor Nicholas I (Russia)
- Queen Victoria (United Kingdom)
- Prime Minister Lord Melbourne (United Kingdom)
- Prime Minister Sir Robert Peel (United Kingdom)
- Prime Minister Lord John Russell (United Kingdom)
- President Martin Van Buren (United States)
- President William Henry Harrison (United States)
- President John Tyler (United States)
- President James Knox Polk (United States)
- Sultan Abd-ul-Mejid I Ottoman Empirecy:1840au
da:1840'erne de:1840er et:1840. aastad es:Años 1840 fr:Années 1840 io:1840a yari it:Anni 1840 ko:1840년대 nl:1840-1849 ja:1840年代 pl:Lata 40. XIX wieku pt:Década de 1840 ro:Anii 1840 sl:1840. fi:1840-luku sv:1840-talet zh:1840年代
