About the day » Tuesday June 21, 1870Calender converter

• Aaltjen Aalderink, Laren, Gelderland, Nederland († 1959)
• Antje Geerts Postma, Rottevalle Achterkarspelen († 1938)
• Aloijsius Maas, Valkenswaard
• Adriana PIERE, Dubbeldam
• Antje Pieters Postma, Rottevalle, gem. Smallingerland, Friesland, Nederland
• Antje Klapper († 1870)
• van der Giessen, rotterdam (zuid holland)
• Anna Maria Boons, Meerhout, België († 1901)
• Angela Whitaker, Descalvado, São Paulo, Brasil († 1941)
• Anthonia OVERTOOM, Hoorn, Noord-Holland, Nederland († 1873)

• Adriana VAN WETTEN (7), Aarlanderveen, Alphen aan den Rijn, Zuid-Holland, Netherlands
• Aaltje Hendriks VOSWIJK (77), Purmerend, Noord-Holland, Nederland
• Boele BOELEN (0), Donderen (Vries), Drenthe, Nederland
• Anna Maria Petronella Meijs (40), Bingelrade, LI, Netherlands
• Achille Modeste Gilles Le Pays de La Riboisière (81)
• Anna Elisabeth van der Voort (65), Essen, Antwerpen, België
• Adriana van Wetten (7), Aarlanderveen, Zuid-Holland, Nederland
• Angélique PATERNOTTE (60), Écaussinnes-Lalaing, Henegouwen, België
• Anna Catharina Jacobs (74), Schilde, 2970, Antwerpen, Belgium
• Anna Elisabeth Van der Voort (66), Essen

• 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)
• 1876 » Willem Hendrik Keesom, Dutch physicist and academic († 1956)

• 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. Adrianus
12. Dirk
13. Arie
14. Klaas
15. Hendrikus
16. Gerardus

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Adriana
6. Elisabeth
7. Catharina
8. Hendrika
9. Aaltje
10. Wilhelmina
11. Neeltje
12. Trijntje
13. Grietje
14. Antje
15. Jacoba
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 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.
• January 3 » Construction work begins on the Brooklyn Bridge in New York, United States.
• February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
• June 26 » The Christian holiday of Christmas is declared a federal holiday in the United States.
• July 15 » Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories.
• September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
• December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.

The temperature on June 21, 1870 was about 21.7 °C. The air pressure was 4 kgf/m² and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 52%.