page_title: 1842
section_title: July–December
hierarchical_section_title: 1842 / Births / July–December
caption_attribution_description: Français&#160;: Madeleine Brès (1842-1921)
context_page_description: 1842 was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1842nd year of the Common Era and Anno Domini designations, the 842nd year of the 2nd millennium, the 42nd year of the 19th century, and the 3rd year of the 1840s decade. As of the start of 1842, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
context_section_description: July 2 – Albert Ladenburg, German chemist (d. 1911)
  July 4 – Hermann Cohen, German-Jewish philosopher (d. 1918)
  July 14 – Christian Lundeberg, 10th Prime Minister of Sweden (d. 1911)
  July 19 – Lydia Hoyt Farmer, American author, women's rights activist (d. 1903)
  July 30 – Thomas J. O'Brien, American politician, diplomat (d. 1933)
  August 21 – Harriet Earhart Monroe, American lecturer, educator, writer, producer (d. 1927)
  August 23 – Osborne Reynolds, Irish engineer, physicist (d. 1912)
  September 3 – John Devoy, Irish rebel leader, exile (d. 1928)
  September 13 – John H. Bankhead, American senator (d. 1920)
  September 20 – Sir James Dewar, Scottish chemist, physicist (d. 1923)
  September 22 – Abdul Hamid II, Ottoman Sultan (d. 1918)
  October 3 – Frederick Rodgers, American admiral (d. 1917)
  October 14 – Joe Start, American baseball player (d. 1927)
  October 17 – Gustaf Retzius, Swedish physician, anatomist (d. 1919)
  October 27 – Giovanni Giolitti, 5-time Prime Minister of Italy (d. 1928)
  October 28 – Anna Elizabeth Dickinson, American orator (d. 1932), younger sister of journalist Susan E. Dickinson
  November 12
  Ōyama Iwao, Japanese field marshal, a founder of the Imperial Japanese Army (d. 1916)
  John Strutt, 3rd Baron Rayleigh, English physicist, Nobel Prize laureate (d. 1919)
  November 26 – Madeleine Brès, French physician (d. 1921)
  December 2 – C. W. Alcock, English footballer, football official (d. 1907)
  December 3 – Ellen Swallow Richards, American chemist (d. 1911)
  December 9 – Peter Kropotkin, Russian anarchist (d. 1921)
  December 12 – Alfred Parland, Russian architect (d. 1919)
caption: Madeleine Brès
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