The temperature on May 20, 1787 was about 11.0 °C. Wind direction mainly east. Weather type: helder. Special wheather fenomena: noorderlicht. Source: KNMI
January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
September 17 » The United States Constitution is signed in Philadelphia.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
December 7 » Delaware becomes the first state to ratify the United States Constitution.
December 18 » New Jersey becomes the third state to ratify the U.S. Constitution.
Day of death March 8, 1862
The temperature on March 8, 1862 was about 10.0 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. 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 31 » Alvan Graham Clark discovers the white dwarf star Sirius B, a companion of Sirius, through an 18.5-inch (47cm) telescope now located at Northwestern University.
March 13 » The Act Prohibiting the Return of Slaves was passed by the United States Congress, effectively annulling the Fugitive Slave Act of 1850 and setting the stage for the Emancipation Proclamation.
June 20 » Barbu Catargiu, the Prime Minister of Romania, is assassinated.
July 1 » Princess Alice of the United Kingdom, second daughter of Queen Victoria, marries Prince Louis of Hesse, the future Louis IV, Grand Duke of Hesse.
July 18 » First ascent of Dent Blanche, one of the highest summits in the Alps.
December 31 » American Civil War: The Battle of Stones River begins near Murfreesboro, Tennessee.
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/I46232.php : accessed January 7, 2026), "Jan Kop (1787-1862)".
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