About the day » Wednesday April 20, 1887Calender converter

• Albertus Hendrikus Johannes van Eijkelenburg, Amersfoort
• Wals, Oosthuizen, Noord-Holland, Nederland Nederland († 1970)
• Catharina Hiemstra, Idaarderadeel († 1892)
• Agnes Adriana van den Boom, Halsteren, Noord-Brabant, Nederland
• Albertje Grooten, Exloermond, Odoorn, Drenthe, Nederland
• Adrianus HELLEMONS, Roosendaal (N.Br. Nl) († 1975)
• Adriaan Johan Viergever, Goes († 1948)
• Agnes Adriana van den Boom, Halsteren, Bergen Op Zoom, Noord-Brabant, Netherlands
• Adolf Franciscus Petrus De Boey, Beveren Waas, België († 1940)
• Aaltje Beekes, Amsterdam

• Arendina Johanna Geertruij Kraaijenbrink (74), Amsterdam
• Aaltje Willems (63), Deventer
• Bianca van Wildenbruch (81)
• Anthonij Isaac Gazan (85), Sommelsdijk
• Catharina Berkhout (71), 'SGravenhage
• Arie Roode(n)rijs (77), Vlaardinger Ambacht, Nederland
• Antonie Nieuwlaat (26), Wouw
• Abraham van Noordende (82), Zonnemaire
• Aldert Buiringe (57), Sint Annen, gem. Ten Boer, Groningen, Nederland
• Antje Jans Müntinga (82), Bunderhee

• 1884 » Daniel Varoujan, Armenian poet and educator († 1915)
• 1884 » Oliver Kirk, American boxer († 1960)
• 1884 » Princess Beatrice of Saxe-Coburg and Gotha († 1966)
• 1889 » Adolf Hitler, Austrian born German politician, Führer of Nazi Germany († 1945)
• 1889 » Albert Jean Amateau, Turkish rabbi, lawyer, and activist († 1996)
• 1889 » Marie-Antoinette de Geuser, French mystic († 1918)
• 1889 » Prince Erik, Duke of Västmanland († 1918)
• 1889 » Tonny Kessler, Dutch footballer († 1960)
• 1890 » Adolf Schärf, Austrian soldier and politician, 6th President of Austria († 1965)
• 1890 » Maurice Duplessis, Canadian lawyer and politician, 16th Premier of Quebec († 1959)

• 1873 » William Tite, English architect, designed the Royal Exchange (b. 1798)
• 1874 » Alexander H. Bailey, American lawyer, judge, and politician (b. 1817)
• 1881 » William Burges, English architect and designer (b. 1827)
• 1886 » Charles-François-Frédéric, marquis de Montholon-Sémonville, French general and diplomat, French ambassador to the United States (b. 1814)
• 1887 » Muhammad Sharif Pasha, Greek-Egyptian politician, 2nd Prime Minister of Egypt (b. 1826)
• 1899 » Joseph Wolf, German ornithologist and illustrator (b. 1820)
• 1902 » Joaquim de Sousa Andrade, Brazilian poet and educator (b. 1833)
• 1912 » Bram Stoker, Anglo-Irish novelist and critic, created Count Dracula (b. 1847)
• 1918 » Karl Ferdinand Braun, German-American physicist and academic, Nobel Prize laureate (b. 1850)
• 1927 » Enrique Simonet, Spanish painter and educator (b. 1866)

• 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 April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
• The Netherlands had about 4.5 million citizens.
• April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
• May 9 » Buffalo Bill Cody's Wild West Show opens in London.
• June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
• July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
• September 5 » A fire at the Theatre Royal, Exeter, kills 186.
• November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.

The temperature on April 20, 1887 was about 13.5 °C. The air pressure was 33 kgf/m² and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%.