About the day » Sunday June 21, 1868Calender converter

• Adelaida Maria Joanna Beeson, Antwerpen (Belgie) († 1872)
• Abram Krop, Aarlanderveen († 1868)
• Alphonsus Carolus Molein, Oostende (B) († 1868)
• Abertine WUNENBURGER, Brunstatt, 68, Haut-Rhin, Alsace, FRANCE († 1915)
• Agatus Corvinus BEELAERTS van EMMICHOVEN, Oldenzaal († 1920)
• Aaltje Koning, Grijpskerk († 1868)
• van Amelsvoort, Loon op Zand, Noord-Brabant, Nederland
• Andries Maagdenberg, Schiedam († 1937)
• Anna Maria Jägers, Mülheim an der Ruhr, Rheinland, Deutschland († 1936)
• Aaltje Hoogenkamp, Boijl († 1954)

• Antje BRUIN (37), Assendelft, Noord-Holland, Nederland
• Barbara Bergey (92), Lower Salford, Montgomery, Pennsylvania, United States
• Anthonetta de Lannooij (54), Rotterdam
• Antonia Kuijer (45), Nijkerk, Friesland, Nederland
• Adriaan Dirkszn Stuij (91)
• Alida den Daas (64), Jutphaas
• Antonia Aarts Kuijer (45), Nijkerk
• alexis MORELLE (46), Audregnies (Belgium)
• Anna HESP (1), Abcoude-Proostdij
• Besselt Lubberts van Dijk (75), Langenholte, Zwolle, Overijssel, Nederland

• 1862 » Damrong Rajanubhab, Thai historian and author († 1943)
• 1863 » Max Wolf, German astronomer and academic († 1932)
• 1864 » Heinrich Wölfflin, Swiss historian and critic († 1945)
• 1867 » Oscar Florianus Bluemner, German-American painter and illustrator († 1938)
• 1867 » William Brede Kristensen, Norwegian historian of religion († 1953)
• 1868 » Edwin Stephen Goodrich, English zoologist and anatomist († 1946)
• 1870 » Anthony Michell, English-Australian engineer († 1959)
• 1870 » Clara Immerwahr, Jewish-German chemist and academic († 1915)
• 1870 » Julio Ruelas, Mexican painter († 1907)
• 1876 » Swami Kalyan Dev, philosopher [year disputed] († 2004)

• 1824 » Étienne Aignan, French playwright and translator (b. 1773)
• 1865 » Frances Adeline Seward, American wife of William H. Seward (b. 1824)
• 1874 » Anders Jonas Ångström, Swedish physicist and astronomer (b. 1814)
• 1876 » Antonio López de Santa Anna, Mexican general and politician 8th President of Mexico (b. 1794)
• 1880 » Theophilus H. Holmes, American general (b. 1804)
• 1893 » Leland Stanford, American businessman and politician, 8th Governor of California (b. 1824)
• 1908 » Nikolai Rimsky-Korsakov, Russian composer and educator (b. 1844)
• 1914 » Bertha von Suttner, Austrian journalist and author, Nobel Prize laureate (b. 1843)
• 1929 » Leonard Trelawny Hobhouse, English sociologist, journalist, and academic (b. 1864)
• 1934 » Thorne Smith, American author (b. 1892)

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

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

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• 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).
• From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
• The Netherlands had about 3.6 million citizens.
• March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
• May 30 » Decoration Day (the predecessor of the modern "Memorial Day") is observed in the United States for the first time after a proclamation by John A. Logan, head of the Grand Army of the Republic (a veterans group).
• June 23 » Christopher Latham Sholes received a patent for an invention he called the "Type-Writer".
• September 25 » The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
• October 10 » The Ten Years' War begins against Spanish rule in Cuba.
• November 4 » Camagüey, Cuba, revolts against Spain during the Ten Years' War.

The temperature on June 21, 1868 was about 18.2 °C. There was 2 mm of rain. The air pressure was 2 kgf/m² and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 88%.