About the day » Wednesday April 18, 1866Calender converter

• Anna Dorothea Sänger, 's-Gravenhage († 1948)
• Alfred Willis OAKES, Macleay River, New South Wales, Australia († 1947)
• Anna Christina Nagel
• Amalie Sauer, Berleburg, Kreis Wittgenstein
• Anke Hazekamp, Middelstum
• Agatha Maria (Aagje) Van Koert, 's-Gravenhage († 1923)
• Aarnout Marinus van Doorn Jnkhr, Middelburg, Walcheren, Zeeland, Netherlands († 1935)
• Anke HASECAMP, Westerwijtwerd, Middelstum
• Anna Maria Debets, Heerlen (L († 1940)
• Angela Christina Nagel, Haren, Duitsland († 1946)

• Ann Priddle (10), Raymond Terrace, New South Wales, Australia
• Adriana( Adriaantje) Mostert (76), Maassluis
• Annigje Harmannus Veldman (33), Ruinen
• Agnes Buskens (8), Urmond (Stein), Limburg, Nederland
• Adriana Maria de REGT (15), Rucphen,Noord-Brabant,NEDERLAND
• Aaltje DE GROOT (50), Beemster, Noord-Holland, Nederland
• Adrianus van Eijkelenburg (12), Amersfoort
• aaltje de groot (50)
• Adriana Gerrits' Mostert (78), Maassluis
• Adriana Mostert (76), Maassluis, Nederland

• 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. Hendrik
4. Cornelis
5. Pieter
6. Willem
7. Gerrit
8. Jacob
9. Petrus
10. Jacobus
11. Dirk
12. Arie
13. Adrianus
14. Hendrikus
15. Klaas
16. Albert

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

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
• In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
• 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).
• The Netherlands had about 3.6 million citizens.
• March 27 » President of the United States of America Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
• April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
• June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
• July 27 » The first permanent transatlantic telegraph cable is successfully completed, stretching from Valentia Island, Ireland, to Heart's Content, Newfoundland.
• August 23 » Austro-Prussian War ends with the Treaty of Prague.
• October 19 » In accordance with the Treaty of Vienna, Austria cedes Veneto and Mantua to France, which immediately awards them to Italy in exchange for the earlier Italian acquiescence to the French annexation of Savoy and Nice.

The temperature on April 18, 1866 was about 14.2 °C. The air pressure was 8 kgf/m² and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 49%.