About the day » Thursday April 18, 1861Calender converter

• Abraham van Gent, Leerdam, Zuid-Holland, Nederland
• Alice Ann Andrews
• Albert Barends, Harderwijk († 1934)
• Albertus Hendrik van Emden, Amsterdam, Noord-Holland, Nederland
• Adriana Ruijgrok, Maasland († 1861)
• Anna Heijnis, Graft († 1909)
• "Eduard" Georg Wilhelm Maximilian von Anhalt-Dessau, Dessau, Allemagne († 1918)
• van Maanen, Bennekom (Ede) († 1861)
• WELZOET, Cadzand, Zeeland, Nederland († 1861)
• Jacobus Johannes Henricus Hillebrant, Rotterdam

• Ann Powell (75)
• Antje Joukesd VRIES (73), Warga, Friesland, Nederland
• Anne Marie "Maria" (PACHE) (LEPAGE) PAGE (74), Aalst
• Antje Geertsd Hellinga (29), Tietjerksteradeel =Bergum, fr.nld
• Alida Roos (4), Zevenhuizen, Zevenhuizen-Moerkapelle, Zuid-Holland, Netherlands
• Antje Joukes de Vries (73), Warga
• Anna Nijland (69), Goor
• Anna Scholten (45), Bentelo (Delden,Ambt)
• Adriana Maria Furet (44), 's-Hertogenbosch, Noord-Brabant, Nederland
• Andries Egges Dijkhuizen (38), Loppersum, Groningen, Netherlands

• 1854 » Ludwig Levy, German architect († 1907)
• 1857 » Clarence Darrow, American lawyer († 1938)
• 1858 » Alexander Shirvanzade, Armenian playwright and author († 1935)
• 1858 » Dhondo Keshav Karve, Indian educator and activist, Bharat Ratna Awardee († 1962)
• 1863 » Count Leopold Berchtold, Austrian-Hungarian politician and diplomat, Joint Foreign Minister of Austria-Hungary († 1942)
• 1863 » Linton Hope, English sailor and architect († 1920)
• 1864 » Richard Harding Davis, American journalist and author († 1916)
• 1874 » Ivana Brlić-Mažuranić, Croatian author and poet († 1938)
• 1877 » Vicente Sotto, Filipino lawyer and politician († 1950)
• 1879 » Korneli Kekelidze, Georgian philologist and scholar († 1962)

• 1802 » Erasmus Darwin, English physician and botanist (b. 1731)
• 1832 » Jeanne-Elisabeth Chaudet, French painter (b. 1761)
• 1859 » Tatya Tope, Indian general (b. 1814)
• 1864 » Juris Alunāns, Latvian philologist and linguist (b. 1832)
• 1873 » Justus von Liebig, German chemist and academic (b. 1803)
• 1898 » Gustave Moreau, French painter and academic (b. 1826)
• 1906 » Luis Martín, Spanish religious leader, 24th Superior-General of the Society of Jesus (b. 1846)
• 1912 » Martha Ripley, American physician (b. 1843)
• 1917 » Vladimir Serbsky, Russian psychiatrist and academic (b. 1858)
• 1923 » Savina Petrilli, Italian religious leader (b. 1851)

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.
• March 4 » The first national flag of the Confederate States of America (the "Stars and Bars") is adopted.
• April 12 » American Civil War: Battle of Fort Sumter. The war begins with Confederate forces firing on Fort Sumter, in the harbor of Charleston, South Carolina.
• April 13 » American Civil War: Fort Sumter surrenders to Confederate forces.
• May 6 » American Civil War: Arkansas secedes from the Union.
• May 13 » Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
• December 21 » Medal of Honor: Public Resolution 82, containing a provision for a Navy Medal of Valor, is signed into law by President Abraham Lincoln.

The temperature on April 18, 1861 was about 7.0 °C. The air pressure was 0.5 kgf/m² and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 86%.