About the day » Tuesday August 20, 1861Calender converter

• , Sint Maarten, Noord-Holland, Netherlands († 1932)
• Anna Veldhuis, Bellingwolde, Groningen, Nederland († 1891)
• Aris KRAB, Egmond aan Zee, Noord-Holland, Nederland († 1945)
• Berendina Jacoba STREMMELAAR, Zwolle (Overijssel, The Netherlands) († 1954)
• Alice Ally Josephine Ferree († 1892)
• Adriana van der Pijl, Nieuwpoort († 1862)
• Albert Esselbrugge, het Schut B275, Hoogeveen, Drenthe, The Netherlands († 1926)
• Aris Jansz X Krab, EaZ († 1945)
• Bastiaan TAK, Strijen († 1864)
• Klaver, Vollenhove († 1861)

• Aaltje Hilbrands Boerstra (80), Ooststellingwerf, Friesland, Netherlands
• Aaltje Eilander (79), Wapenveld (Heerde)
• Aart van Meerveld (59), Putten, Gelderland, Nederland
• Albertus Ran (33), Den Helder
• Aart Jansen van Meerveld (59), Putten
• Andriesje Jans Brouwer (4), Appelscha
• Meijer (0), Utrecht
• Aaltjen Eilander (79), Heerde
• Alphonse Gustave Blondeel (1), Brugge, West-Vlaanderen, België
• Alexandre Rozat (27), Opelousas, St Landry, Louisiana, United States

• 1845 » Albert Chmielowski, Polish saint, founded the Albertine Brothers († 1916)
• 1847 » Andrew Greenwood, English cricketer († 1889)
• 1847 » Bolesław Prus, Polish journalist and author († 1912)
• 1856 » Jakub Bart-Ćišinski, German poet and playwright († 1909)
• 1860 » Raymond Poincaré, French lawyer and politician, 10th President of France († 1934)
• 1865 » Bernard Tancred, South African cricketer and lawyer († 1911)
• 1868 » Ellen Roosevelt, American tennis player († 1954)
• 1873 » Eliel Saarinen, Finnish architect and academic, co-designed the National Museum of Finland († 1950)
• 1881 » Aleksander Hellat, Estonian politician, 6th Estonian Minister of Foreign Affairs († 1943)
• 1881 » Edgar Guest, English-American poet and author († 1959)

• 1823 » Pope Pius VII (b. 1740)
• 1825 » William Waldegrave, 1st Baron Radstock, English admiral and politician, Governor of Newfoundland (b. 1753)
• 1835 » Agnes Bulmer, English merchant and poet (b. 1775)
• 1854 » Shiranui Dakuemon, Japanese sumo wrestler, the 8th Yokozuna (b. 1801)
• 1859 » Juan Bautista Ceballos, President of Mexico (1853) (b. 1811)
• 1882 » James Whyte, Scottish-Australian politician, 6th Premier of Tasmania (b. 1820)
• 1887 » Jules Laforgue, French poet and author (b. 1860)
• 1893 » Alexander Wassilko von Serecki, Austrian lawyer and politician (b. 1827)
• 1897 » Charles Lilley, English-Australian politician, 4th Premier of Queensland (b. 1827)
• 1912 » William Booth, English preacher, co-founded The Salvation Army (b. 1829)

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. Albert

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

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
• From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
• The Netherlands had about 3.6 million citizens.
• January 3 » American Civil War: Delaware votes not to secede from the United States.
• January 19 » American Civil War: Georgia joins South Carolina, Florida, Mississippi, and Alabama in declaring secession from the United States.
• February 10 » Jefferson Davis is notified by telegraph that he has been chosen as provisional President of the Confederate States of America.
• March 11 » American Civil War: The Constitution of the Confederate States of America is adopted.
• August 19 » First ascent of Weisshorn, fifth highest summit in the Alps.
• December 4 » The 109 Electors of the several states of the Confederate States of America unanimously elect Jefferson Davis as President and Alexander H. Stephens as Vice President.

The temperature on August 20, 1861 was about 18.5 °C. The air pressure was 5 kgf/m² and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 70%.