About the day » Friday August 9, 1878Calender converter

• Alice Housenga, Warffum, Groningen, Nederland († 1925)
• Alijda Adriana Maria Nelemans, Zevenbergen, Noord-Brabant, The Netherlands († 1953)
• Adrianus Oosters, Ridderkerk, Zuid-Holland, Nederland
• Albert Bloemendal, Diepenveen, Overijssel, Nederland († 1965)
• Adriaan Gilles Heineken, Amsterdam († 1963)
• Alice Housenga, Warffum, Groningen, Netherlands († 1925)
• Anna Elisabeth Wildenboer, Vierpolders, Zuid-Holland, Nederland († 1922)
• Albertus, Hermanus van Gardingen, Velsen, Noord-Holland, Nederland († 1890)
• Alida Hillegonda Oostwaard, Amsterdam
• Alida Georgina Smittel, Amsterdam, Noord-Holland, Nederland

• Carel Buijs (53), Leeuwarden
• Anton Gerhard Wissing Zwilling (11), Oeding
• Adriana de Groot (24), Reeuwijk
• Anna Maria JAMAR JAMMARTS (75), Alken, Provincie Limburg, Flanders, Belgie
• Aaltje de Eekte (48), Epe
• Anthonij Moeliker (35), Zierikzee, Zeeland, Nederland
• Berendina Mestland (72), Zutphen
• Anna Christine Lavigne (67), Leeuwen, Gelderland, Nederland
• Bastiaan de Noorlander (28), Hendrik Ido Ambacht
• Berry Granville Gann (48), Montague

• 1861 » Dorothea Klumpke, American astronomer and academic († 1942)
• 1867 » Evelina Haverfield, Scottish nurse and activist († 1920)
• 1872 » Archduke Joseph August of Austria († 1962)
• 1874 » Reynaldo Hahn, Venezuelan composer and conductor († 1947)
• 1875 » Albert Ketèlbey, English pianist, composer, and conductor († 1959)
• 1878 » Eileen Gray, Irish architect and furniture designer († 1976)
• 1879 » John Willcock, Australian politician, 15th Premier of Western Australia, († 1956)
• 1881 » Prince Antônio Gastão of Orléans-Braganza, Brazilian prince († 1918)
• 1890 » Eino Kaila, Finnish philosopher and psychologist, attendant of the Vienna circle († 1958)
• 1896 » Erich Hückel, German physicist and chemist († 1980)

• 1816 » Johann August Apel, German jurist and author (b. 1771)
• 1861 » Vincent Novello, English composer and publisher (b. 1781)
• 1886 » Samuel Ferguson, Irish lawyer and poet (b. 1810)
• 1910 » Huo Yuanjia, Chinese martial artist, co-founded the Chin Woo Athletic Association (b. 1868)
• 1919 » Ruggero Leoncavallo, Italian composer and educator (b. 1857)
• 1920 » Samuel Griffith, Welsh-Australian politician, 9th Premier of Queensland (b. 1845)
• 1932 » John Charles Fields, Canadian mathematician, founder of the Fields Medal (b. 1863)
• 1942 » Edith Stein, German nun and saint (b. 1891)
• 1943 » Chaim Soutine, Belarusian-French painter and educator (b. 1893)
• 1945 » Robert Hampton Gray, Canadian lieutenant and pilot, Victoria Cross recipient (b. 1917)

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
• The Netherlands had about 4.0 million citizens.
• February 19 » Thomas Edison patents the phonograph.
• May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
• June 10 » League of Prizren is established, to oppose the decisions of the Congress of Berlin and the Treaty of San Stefano, as a consequence of which the Albanian lands in the Balkans were being partitioned and given to the neighbor states of Serbia, Montenegro, Bulgaria, and Greece.
• June 15 » Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
• July 1 » Canada joins the Universal Postal Union.
• December 31 » Karl Benz, working in Mannheim, Germany, filed for a patent on his first reliable two-stroke gas engine, and he was granted the patent in 1879.

The temperature on August 9, 1878 was about 18.9 °C. The air pressure was 1 kgf/m² and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 85%.