About the day » Monday May 20, 1861Calender converter

• Alphonsus Franciscus Maria Hordijk, Vessem, Wintelre en Knegsel
• Adriana van Geest, 's-Gravenzande († 1861)
• Adam Barendregt, Rozenburg, 3181, Nederland († 1934)
• Adriana van Geest, 's-Gravenzande († 1861)
• Albertus Verbrugh, Eck, Gelderland, Nederland († 1947)
• Anna Cornelia van Loon, Woensdrecht († 1869)
• Andreas Hendrikus Wellen, Leutth, Gelderland, Nederland († 1935)
• Albert Hendrikus Jacobus Jansen, zutphen († 1909)
• Amelia Spiessens, Bornem († 1923)
• Adriana de Groot, Lopik, Utrecht, Nederland († 1861)

• Catharina (Kaatje) Liscaillet (80), Hilversum, Noord-Holland, Nederland
• Anna Jans Prins (0), Muntendam
• Antje Gerrits van der Kooi (82), Oostdongeradeel, Friesland, Netherlands
• Anne Elise Laenen‏ (55), Geel, België
• Antonius Derksen (28), Huissen
• Catharina Ketelings (41)
• Anna Paap (3), Zandvoort, Noord-Holland, Nederland
• Catharina Ketelings\Ketelaers (41), Horst
• Adrianus Hendrikus de Haan (0), Rotterdam, Zuid-Holland, Nederland
• Antje Gerrits (82), Paesens,, Friesland, Nederland

• 1838 » Jules Méline, French lawyer and politician, 65th Prime Minister of France († 1925)
• 1851 » Emile Berliner, German-American inventor, invented the Gramophone record († 1929)
• 1854 » George Prendergast, Australian politician, 28th Premier of Victoria († 1937)
• 1856 » Henri-Edmond Cross, French Neo-Impressionist painter († 1910)
• 1860 » Eduard Buchner, German chemist, zymologist, and academic, Nobel Prize laureate († 1917)
• 1875 » Hendrik Offerhaus, Dutch rower († 1953)
• 1877 » Pat Leahy, Irish-American jumper († 1927)
• 1879 » Hans Meerwein, German chemist († 1965)
• 1882 » Sigrid Undset, Danish-Norwegian novelist, essayist, and translator, Nobel Prize laureate († 1949)
• 1883 » Faisal I of Iraq († 1933)

• 1812 » Count Hieronymus von Colloredo, Austrian archbishop (b. 1732)
• 1834 » Gilbert du Motier, Marquis de Lafayette, French general (b. 1757)
• 1841 » Joseph Blanco White, Spanish poet and theologian (b. 1775)
• 1864 » John Clare, English poet (b. 1793)
• 1873 » George-Étienne Cartier, Canadian soldier, lawyer, and politician, 9th Premier of East Canada (b. 1814)
• 1880 » Ana Néri, Brazilian nurse and philanthropist (b. 1814)
• 1896 » Clara Schumann, German pianist and composer (b. 1819)
• 1909 » Ernest Hogan, American actor and composer (b. 1859)
• 1917 » Philipp von Ferrary, Italian stamp collector (b. 1850)
• 1917 » Valentine Fleming, Scottish soldier and politician (b. 1887)

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 1 » Liberal forces supporting Benito Juárez enter Mexico City.
• March 10 » El Hadj Umar Tall seizes the city of Ségou, destroying the Bamana Empire of Mali.
• March 17 » The Kingdom of Italy is proclaimed.
• April 29 » American Civil War: Maryland's House of Delegates votes not to secede from the Union.
• October 9 » American Civil War: Union troops repel a Confederate attempt to capture Fort Pickens.
• October 24 » The first transcontinental telegraph line across the United States is completed.

The temperature on May 20, 1861 was about 12.0 °C. The air pressure was 1 kgf/m² and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 65%.