The temperature on January 19, 1863 was about 6.3 °C. There was 4 mm of rain. The air pressure was 28 kgf/m2 and came mainly from the northwest. The airpressure was 74 cm mercury. The atmospheric humidity was 82%. Source: KNMI
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.
March 30 » Danish prince Wilhelm Georg is chosen as King George of Greece.
May 22 » American Civil War: Union forces begin the Siege of Port Hudson which lasts 48 days, the longest siege in U.S. military history.
May 27 » American Civil War: First Assault on the Confederate works at the Siege of Port Hudson.
June 20 » American Civil War: West Virginia is admitted as the 35th U.S. state.
July 18 » American Civil War: Second Battle of Fort Wagner: One of the first formal African American military units, the 54th Massachusetts Volunteer Infantry, supported by several white regiments, attempts an unsuccessful assault on Confederate-held Battery Wagner.
August 4 » Matica slovenská, Slovakia's public-law cultural and scientific institution focusing on topics around the Slovak nation, is established in Martin.
Day of death March 23, 1866
The temperature on March 23, 1866 was about 4.2 °C. The air pressure was 8 kgf/m2 and came mainly from the south east. The airpressure was 75 cm mercury. The atmospheric humidity was 63%. Source: KNMI
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).
April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
May 2 » Peruvian defenders fight off the Spanish fleet at the Battle of Callao.
June 24 » Battle of Custoza: An Austrian army defeats the Italian army during the Austro-Prussian War.
September 22 » The Battle of Curupayty is Paraguay's only significant victory in the Paraguayan War.
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.
October 22 » A plebiscite ratifies the annexion of Veneto and Mantua to Italy, which had occurred three days before, on October 19.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I79958.php : accessed January 24, 2026), "Jan Hendrik Seinhorst (1863-1866)".
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