1866

Millennium:	2nd millennium
Centuries:	18th century – 19th century – 20th century
Decades:	1830s  1840s  1850s  – 1860s –  1870s  1880s  1890s
Years:	1863 1864 1865 – 1866 – 1867 1868 1869

1866 by topic
Arts, history, and science
Archaeology Architecture Art Literature Poetry Music Science
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Establishments and disestablishments categories
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1866 Media

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  June 20: Start of the Third Italian War of Independence

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  May 16: U.S. nickel coin approved.

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  July 27: Atlantic Cable completed

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  Alfred Nobel invents dynamite in 1866

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  Frank Tudor

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  Swedish politician Emilia Broomé (1866-1925)

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  Matthew Charlton, Leader of the Opposition, c. 1925

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  Portrait of Wakatsuki Reijiro (若槻礼次郎, 1866 – 1949)

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  Butch Cassidy poses in the Wild Bunch group photo, Fort Worth, Texas, 1901

1866 (MDCCCLXVI) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1866th year of the Common Era (CE) and Anno Domini (AD) designations, the 866th year of the 2nd millennium, the 66th year of the 19th century, and the 7th year of the 1860s decade. As of the start of 1866, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Births

• April 14 – Anne Sullivan, teacher of Helen Keller
• November 8 – Herbert Austin, automobile pioneer (Austin-Healey)