On May 9 – 10, 1860, the Illinois Republican State Convention was held in Decatur.

* 1860 – The Reorganized Church of Jesus Christ of Latter Day Saints — later renamed Community of Christ — is organized by Joseph Smith III and others at Amboy, Illinois

* 1805 – Joseph Locke, English railway and civil engineer ( d. 1860 )

* 1860 – Annie Oakley, American target shooter ( d. 1926 )

* 1860 – The Second Maori War begins in New Zealand.

* 1860 – William Kennedy Dickson, France-Scottish actor, director, and inventor ( d. 1935 )

* 1860 – Alan Leo, English astrologer ( d. 1917 )

* 1860 – Henrietta Vinton Davis, American writer and public speaker ( d. 1941 )

* 1860 – Florence Harding, American publisher, 31st First Lady of the United States ( d. 1924 )

* 1860 – Jules Laforgue, French poet ( d. 1887 )

* 1860 – Martin Hawke, 7th Baron Hawke, England cricketer ( d. 1938 )

* 1860 – Klara Hitler, Austrian mother of Adolf Hitler ( d. 1907 )

" The Transubstantiation of a Poor White ", in Black Reconstruction: An Essay Toward the History of the Part Which Black People Have Played in the Attempt to Reconstruct Democracy in America, 1860 – 1880 ( 1935 ).

Unionism and Reconstruction in Tennessee, 1860 – 1869 ( 1934 ) online edition

* 1789 – Stéphanie de Beauharnais, French wife of Charles, Grand Duke of Baden ( d. 1860 )

* 1860 – On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice.

* 1860 – Isaac Levitan, Russian painter ( d. 1900 )

* 1860 – The first Pony Express rider reaches Sacramento, California.

* 1860 – Charles XV of Sweden of Sweden-Norway is crowned king of Norway in Trondheim.

Historians identify several waves of migration to the United States: one from 1815 – 1860, in which some five million English, Irish, Germanic, Scandinavian, and others from northwestern Europe came to the United States ; one from 1865 – 1890, in which some 10 million immigrants, also mainly from northwestern Europe, settled, and a third from 1890 – 1914, in which 15 million immigrants, mainly from central, eastern, and southern Europe ( many Austrian, Hungarian, Turkish, Lithuanian, Russian, Jewish, Greek, Italian, and Romanian ) settled in the United States.

* 1860 – Ottó Bláthy, Hungarian engineer and inventor ( d. 1939 )

* 1860 – The first successful United States Pony Express run from Saint Joseph, Missouri to Sacramento, California begins.

* 1860 – Vishnu Narayan Bhatkhande, Indian singer and composer ( d. 1936 )

The engines themselves are of considerable interest as precursors, not of the first commercial gas engines ( e. g. Lenoir engine in 1860, which used the 2-stroke cycle without compression, or the Otto and Langen atmospheric engines ), but rather of the later generation of engines including Otto's engines operating on the 4-stroke cycle and Dugald Clerk's engine operating on the 2-stroke cycle, both with compression of the gas / air mixture in the cylinder.

Campbell was made a partner in the firm in 1860.

* Field Marshal Colin ( Macliver ) Campbell, 1st Baron Clyde, 1860 – 1863

* John Campbell, 1st Earl Cawdor ( 1790 – 1860 ), British earl and MP

1860 two young men, John Campbell and James Bain Jr, made a journey that marked them as perhaps the first tourists in the region.

* John Frederick Campbell, 2nd Baron Cawdor ( 1790 – 1860 ) ( created Earl Cawdor in 1827 )

* John Frederick Campbell, 1st Earl Cawdor ( 1790 – 1860 )

* Mary Elizabeth Campbell, 1st Baroness Stratheden ( 1796 – 1860 )

Frederick Archibald Vaughan Campbell, 3rd Earl Cawdor PC, DL, JP ( 13 February 1847 – 8 February 1911 ), styled Viscount Emlyn from 1860 to 1898, was a British Conservative politician.

* William Campbell Preston ( 1794 – 1860 ), U. S. politician from Pennsylvania and Virginia

Campbell retired at the end of the 2nd Parliament in later in 1860.

in 1860 and articled with the law office of Alexander Campbell.

By 1860 the city was the fifth largest city in Texas, the " first metropolis of East Texas with a population of about 2, 000 ", according to Randoph B. Campbell author of Gone to Texas, and the seat of the richest county.

William Campbell Preston ( December 27, 1794May 22, 1860 ) was a senator from the United States and a member of the Nullifier, and later Whig Parties.

William Patterson, a Baltimore merchant, donated to the city for a public walk in 1827, and the city purchased additional from the Patterson family in 1860.

* 1784 – Peter Vivian Daniel, American jurist, Justice of the U. S. Supreme Court ( d. 1860 )

* 1860 – Will Keith Kellogg, American industrialist and food manufacturer, founder of the Kellogg's Company ( d. 1951 )

Lincoln was nominated in Chicago for the nation's presidency at the 1860 Republican National Convention and went on to defeat Douglas in the general election, setting the stage for the American Civil War.

* 1860 – Abner Powell, American baseball player ( d. 1953 )

* 1860 – Austin Norman Palmer, American penmanship innovator ( d. 1927 )

* 1961 – Grandma Moses, American painter ( b. 1860 )

* 1860 – Herman Hollerith, American statistician ( d. 1929 )

* 1778 – Rembrandt Peale, American artist ( d. 1860 )

* 1860 – Basil Spalding de Garmendia, American tennis player ( d. 1932 )

* 1860 – Curtis Guild, Jr., American politician ( d. 1915 )

* Dare, Philip N. American Communes to 1860: A Bibliography.

* Fogarty, Robert S. All Things New: American Communes and Utopian Movements, 1860 – 1914.

* 1860 – William Corless Mills, American museum curator ( d. 1928 )

* 1942 – Henry Larkin, American baseball player ( b. 1860 )

* 1927 – Lizzie Borden, American accused murderer ( b. 1860 )

* 1860 – Robert Bacon, American politician ( d. 1919 )

* 1860 – Elias M. Ammons, American politician ( d. 1925 )

* 1860 – Lizzie Borden, American accused murderer ( d. 1927 )

* 1860 – Susanna M. Salter, American politician ( d. 1961 )

* 1896 – H. H. Holmes, American serial killer ( b. 1860 )

* 1925 – John Montgomery Ward, American baseball player ( b. 1860 )