1840s

Categories: 1840s

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

1 Events and Trends
2 World Leaders

Events and Trends

Technology

First use of general anesthesia in an operation, by Crawford Long

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.

Culture and Religion

Karl Marx writes The Communist Manifesto, first published on February 21, 1848.

Other

Introduction of the postage stamp. The first of them is Penny Black, issued by the United Kingdom on May 1, 1840.

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 Empire cy:1840au

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