About the day » Saturday July 21, 1866Calender converter

• Alle Johannesz Bokma, Joure, Haskerland, Friesland, Nederland († 1901)
• Albert Jans Abbing, Zwiggelte Westerbork, Drenthe, Nederland († 1866)
• Aaltje van der Woude, Oldemarkt († 1887)
• Willem Sels, Zwijndrecht
• Aafje de Wijn, Den Helder, Noord-Holland, Nederland († 1958)
• Adrianus Adrianusz Hilders, Aalsmeer, Noord-Holland, Nederland († 1905)
• Alke Kruizenga, Beerta († 1945)
• Anna Catharina Fabel, Haarlem Achterkamp wijk 2 no 865 († 1923)
• Annechien Vos, Zandvoort, Aa en Hunze, Nederland († 1923)
• Albert Abbing, Westerbork,Drenthe,Niederlande,Zwiggelte († 1866)

• (Catherine) Reine BAUJEAN (75), Fléron, 62038, Liege, Belgique
• Adriana Maria Arijsdr Zijtregtop (66), Scheveningen
• ADRIANA VAN ZOEST (77), LEKKERKERK
• Aaltje Pieters Wilhelmus (79), Woerden
• Albert ONRUST (45), Wildervank, Groningen, Nederland
• Adriaan Vaal (64), Hontenisse
• Adriana Barendiena Kooijman (42), Jutphaas
• Agatha van Rossum, IJsselstein
• Adries Hermanus van Leeuwen (43), Katwijk aan den Rijn, Zuid-Holland, Nederland
• Adriana van Zoest (77), Lekkerkerk

• 1858 » Alfred Henry O'Keeffe, New Zealand painter and educator († 1941)
• 1858 » Lovis Corinth, German painter († 1925)
• 1858 » Maria Christina of Austria († 1929)
• 1863 » C. Aubrey Smith, English-American cricketer and actor († 1948)
• 1866 » Carlos Schwabe, Swiss Symbolist painter and printmaker († 1926)
• 1870 » Emil Orlík, Czech painter, etcher, and lithographer († 1932)
• 1875 » Charles Gondouin, French rugby player and tug of war competitor († 1947)
• 1880 » Milan Rastislav Štefánik, Slovak astronomer, general, and politician († 1919)
• 1882 » David Burliuk, Ukrainian author and illustrator († 1967)
• 1885 » Jacques Feyder, Belgian actor, director, and screenwriter († 1948)

• 1798 » Anthony Perry, Irish rebel leader (b. ca. 1760)
• 1798 » François Sébastien Charles Joseph de Croix, Count of Clerfayt, Austrian field marshal (b. 1733)
• 1868 » William Bland, Australian surgeon and politician (b. 1789)
• 1878 » Sam Bass, American outlaw (b. 1851)
• 1880 » Hiram Walden, American general and politician (b. 1800)
• 1889 » Nelson Dewey, American lawyer and politician, 1st Governor of Wisconsin (b. 1813)
• 1899 » Robert G. Ingersoll, American soldier, lawyer, and politician (b. 1833)
• 1920 » Fiammetta Wilson, English astronomer and educator (b. 1864)
• 1932 » Bill Gleason, American baseball player (b. 1858)
• 1934 » Hubert Lyautey, French general and politician, French Minister of Defence (b. 1854)

1. Jan
2. Johannes
3. Hendrik
4. Cornelis
5. Pieter
6. Willem
7. Gerrit
8. Jacob
9. Petrus
10. Jacobus
11. Dirk
12. Arie
13. Adrianus
14. Hendrikus
15. Klaas
16. Albert

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Adriana
7. Catharina
8. Hendrika
9. Grietje
10. Wilhelmina
11. Aaltje
12. Trijntje
13. Antje
14. Neeltje
15. Elizabeth
16. Petronella

• 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 February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
• In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
• From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
• The Netherlands had about 3.6 million citizens.
• May 1 » The Memphis Race Riots begin. In three days time, 46 blacks and two whites were killed. Reports of the atrocities influenced passage of the Fourteenth Amendment to the United States Constitution.
• May 2 » Peruvian defenders fight off the Spanish fleet at the Battle of Callao.
• June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
• June 3 » The Fenians are driven out of Fort Erie, Ontario back into the United States.
• June 7 » One thousand eight hundred Fenian raiders are repelled back to the United States after looting and plundering the Saint-Armand and Frelighsburg areas of Canada East.
• July 3 » Austro-Prussian War is decided at the Battle of Königgrätz, resulting in Prussia taking over as the prominent German nation from Austria.

The temperature on July 21, 1866 was about 18.3 °C. The air pressure was 7 kgf/m² and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 62%.