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| align="center" colspan=2 | Years: 1875 1876 1877 - 1878 - 1879 1880 1881
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| align="center" colspan=2 | 1850s 1860s - 1870s ''' - 1880s 1890s 1900s
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| align="center" | - 19th Century ''' - 20th Century
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1878 (''' MDCCCLXXVIII ''') was a Common Year Starting On Tuesday (see link for calendar).
Events
January - April
May - August
September - December
Unknown date
Births
- January 6 - Carl Sandburg , American poet and historian (d. 1967 )
- January 12 - Ferenc Molnár , author (d. 1952 )
- January 20 - Ruth St. Denis , dancer (d. 1968 )
- January 25 - Ernst Alexanderson , Swedish-born television pioneer (d. 1975 )
- February 2 - Alfréd Hajós , Hungarian swimmer and architect (d. 1955 )
- February 5 - André Citroën , French automobile manufacturer (d. 1935 )
- February 8 - Martin Buber , Austrian philosopher (d. 1965 )
- February 14 - Hirota Koki , Prime Minister Of Japan (d. 1948 )
- February 26 - Emmy Destinn , Czech soprano (d. 1930 )
- March 16 - Clemens August Graf Von Galen , German Catholic cardinal (d. 1946 )
- March 22 - Michel Théato , Luxembourg athlete (d. 1919 )
- March 31 - Jack Johnson , American boxer (d. 1946 )
- April 6 - Erich Mühsam , German author (d. 1934 )
- April 24 - Jean Crotti , Swiss artist (d. 1958 )
- April 28 - Lionel Barrymore , American actor (d. 1954 )
- April 28 - Willem Mengelberg , Dutch conductor (d. 1951 )
- May 10 - Gustav Stresemann , Chancellor Of Germany , recipient of the Nobel Peace Prize (d. 1929 )
- May 26 - Isadora Duncan , American dancer (d. 1927 )
- May 28 - Paul Pelliot , French sinologist (d. 1945 )
- June 1 - John Masefield , English poet and novelist (d. 1967 )
- June 3 - Barney Oldfield , American automobile racer and pioneer (d. 1946 )
- June 5 - Pancho Villa , Mexican revolutionary (d. 1923 )
- July 4 - George M. Cohan , American singer, dancer, composer, actor, and writer (d. 1942 )
- July 24 - Edward Plunkett, Baron Dunsany , Irish author (d. 1957 )
- August 10 - Alfred Döblin , German writer (d. 1957 )
- August 28 - George Whipple , American scientist, recipient of the Nobel Prize In Physiology Or Medicine (d. 1976 )
- August 31 - Frank Jarvis , American athlete (d. 1933 )
- September 5 - Robert Von Lieben , Austrian physicist (d. 1913 )
- September 13 - Matilde Moisant , American pilot (d. 1964 )
- September 22 - Yoshida Shigeru , Prime Minister Of Japan (d. 1967 )
- September 20 - Upton Sinclair , American writer (d. 1968 )
- September 24 - C. F. Ramuz , Swiss writer (d. 1947 )
- October 1 - Othmar Spann , Austrian philosopher and economist (d. 1950 )
- October 16 - Maxey Long , American athlete (d. 1959 )
- November 1 - Carlos Saavedra Lamas , Argentine politician, recipient of the Nobel Peace Prize (d. 1959 )
- November 14 - Leopold Staff , Polish poet (d. 1957 )
- November 17 - Grace Abbott , American social worker and activist (d. 1939 )
- December 18 - Joseph Stalin , Soviet leader (d. 1953 )
- December 25 - Louis Chevrolet , Swiss-born race driver and automobile builder (d. 1941 )
- December 25 - Joseph Schenck , Russian-born film executive (d. 1961 )
- December 31 - Elizabeth Arden , Canadian-born beautician and cosmetics entrepreneur (d. 1966 )
- December 31 - Horacio Quiroga , Argentina's writer was born in Salto, Uruguay (d. 1937 )
Deaths
- January 9 - King Victor Emmanuel II Of Italy (b. 1820 )
- January 18 - Antoine César Becquerel , French scientist (b. 1788 )
- February 7 - Pope Pius IX (b. 1792 )
- February 11 - Gideon Welles , American politician (b. 1802 )
- February 19 - Charles-Francois Daubigny , French painter (b. 1817 )
- March 8 - Archduke Franz Karl Of Austria (b. 1802 )
- April 12 - William Marcy Tweed , American politician (b. 1823 )
- April 25 - Anna Sewell , English author (b. 1820 )
- May 28 - John Russell, 1st Earl Russell , Prime Minister Of The United Kingdom (b. 1792 )
- June 6 - Robert Stirling , Scottish clergyman and inventor (b. 1790 )
- June 6 - Achille Baraguey D'Hilliers , Marshal Of France (b. 1795 )
- June 8 - Porter Rockwell , Mormon bodyguard (b. 1815 )
- June 12 - George V Of Hanover (b. 1819 )
- July 17 - Aleardo Aleardi , Italian poet (b. 1812 )
- November 28 - Orson Hyde , American religious leader (b. 1805 )
- December 10 - Henry Wells , American businessman (b. 1805 )
- December 14 - Princess Alice, Grand Duchess Of Hesse And By Rhine (b. 1843 )
- Angelo Secchi , Italian astronomer (b. 1818 )
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