The temperature on August 4, 1862 was about 19.4 °C. The air pressure was 0.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
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).
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.
January 30 » The first American ironclad warship, the USSMonitor is launched.
February 6 » American Civil War: Forces under the command of Ulysses S. Grant and Andrew H. Foote give the Union its first victory of the war, capturing Fort Henry, Tennessee in the Battle of Fort Henry.
May 31 » American Civil War: Peninsula Campaign: Confederate forces under Joseph E. Johnston and G.W. Smith engage Union forces under George B. McClellan outside Richmond, Virginia.
June 1 » American Civil War: Peninsula Campaign: The Battle of Seven Pines (or the Battle of Fair Oaks) ends inconclusively, with both sides claiming victory.
July 23 » American Civil War: Henry Halleck takes command of the Union Army.
September 1 » American Civil War: Battle of Chantilly: Confederate Army troops defeat a group of retreating Union Army troops in Chantilly, Virginia.
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/I34170.php : accessed January 8, 2026), "Hendrik Helvensteijn (1862-????)".
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