About the day » Tuesday May 7, 1878Calender converter

• Adrianus Monster, Mijnsheerenland, Noord-Brabant, Nederland
• Aart Zoeteman, Puttershoek († 1969)
• Adam Wagner, Föhren, Rheinland-Pfalz, Germany († 1879)
• Romijn, papendrecht (zuid holland)
• Alida Bijleveld, Vianen, Utrecht, NL († 1948)
• Aart Zoeteman, Puttershoek († 1969)
• Andreas Stephanus Laurentius Kemper, den Haag († 1965)
• Anna Elisabeth Hubertina Leufkens, Voerendaal, Nederland († 1961)
• Adriana van Eeten, Waalwijk († 1878)
• Albert Willemsen, Velswijk, Bronckhorst

• Antje Alberts Bokma (86), Warga
• Aartje Slootjes (83), Montfoort, 5492, Utrecht, Nederland
• Cornelia de Waal (55), Graauw en Langendam
• Anna Maria Dongen van, Dongen
• Berend Plaggenborg (0)
• Adriana Slootjes (83), Montfoort
• Aleck "Meek" Alexander Marshall (80), Torphican West Lothian
• Christina Mink (1), Steenwijksmoer
• Adrianus Johannes Jacobs (69), Gorinchem, Zuid-Holland, Nederland
• Berend Jan Kamphuis (0), Arnhem Gelderland Nederland

• 1867 » Władysław Reymont, Polish novelist, Nobel Prize laureate († 1925)
• 1875 » Bill Hoyt, American pole vaulter († 1951)
• 1880 » Pandurang Vaman Kane, Indologist and Sanskrit scholar, Bharat Ratna awardee († 1972)
• 1881 » George E. Wiley, American cyclist († 1954)
• 1882 » Willem Elsschot, Belgian author and poet († 1960)
• 1885 » George "Gabby" Hayes, American actor († 1969)
• 1889 » Viktor Puskar, Estonian colonel († 1943)
• 1891 » Harry McShane, Scottish engineer and activist († 1988)
• 1892 » Archibald MacLeish, American poet, playwright, and lawyer († 1982)
• 1892 » Josip Broz Tito, Yugoslav field marshal and politician, 1st President of Yugoslavia († 1980)

• 1840 » Caspar David Friedrich, German painter and educator (b. 1774)
• 1868 » Henry Brougham, 1st Baron Brougham and Vaux, Scottish lawyer and politician, Lord High Chancellor of Great Britain (b. 1778)
• 1872 » Alexander Loyd, American carpenter and politician, 4th Mayor of Chicago (b. 1805)
• 1876 » William Buell Sprague, American clergyman, historian, and author (b. 1795)
• 1887 » C. F. W. Walther, German-American religious leader and theologian (b. 1811)
• 1896 » H. H. Holmes, American serial killer (b. 1861)
• 1902 » Agostino Roscelli, Italian priest and saint (b. 1818)
• 1917 » Albert Ball, English fighter pilot (b. 1896)
• 1922 » Max Wagenknecht, German pianist and composer (b. 1857)
• 1924 » Alluri Sitarama Raju, Indian activist (b. 1897/1898)

• 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.
• January 4 » Russo-Turkish War (1877–78): Sofia is liberated from Ottoman rule and designated the capital of Liberated Bulgaria.
• March 15 » Restoration of the Scottish Catholic hierarchy, broken off back in 1603.
• March 24 » The British frigate HMSEurydice sinks, killing more than 300.
• July 1 » Canada joins the Universal Postal Union.
• July 13 » Treaty of Berlin: The European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire.
• 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 May 7, 1878 was about 22.4 °C. The air pressure was 1 kgf/m² and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 60%.