The temperature on April 1, 1861 was about 8.7 °C. There was 25 mm of rain. The air pressure was 0.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
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).
January 3 » American Civil War: Delaware votes not to secede from the United States.
March 3 » Alexander II of Russia signs the Emancipation Manifesto, freeing serfs.
June 17 » American Civil War: Battle of Vienna, Virginia.
September 17 » Argentine Civil Wars: The State of Buenos Aires defeats the Argentine Confederation at the Battle of Pavón.
November 1 » American Civil War: U.S. President Abraham Lincoln appoints George B. McClellan as the commander of the Union Army, replacing General Winfield Scott.
November 7 » American Civil War: Battle of Belmont: In Belmont, Missouri, Union forces led by General Ulysses S. Grant overrun a Confederate camp but are forced to retreat when Confederate reinforcements arrive.
Day of death February 8, 1943
The temperature on February 8, 1943 was between -2.0 °C and 5.5 °C and averaged 1.5 °C. There was 3.9 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 13 » German forces liquidate the Jewish ghetto in Kraków.
April 8 » U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities.
August 28 » Denmark in World War II: German authorities demand that Danish authorities crack down on acts of resistance. The next day, martial law is imposed on Denmark.
October 1 » World War II: After the Four Days of Naples, Allied troops enter the city.
November 3 » World War II: Five hundred aircraft of the U.S. 8th Air Force devastate Wilhelmshaven harbor in Germany.
November 23 » World War II: The Deutsche Opernhaus on Bismarckstraße in the Berlin neighborhood of Charlottenburg is destroyed. It will eventually be rebuilt in 1961 and be called the Deutsche Oper Berlin.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I54977.php : accessed February 9, 2026), "Sipkje Koolker (1861-1943)".
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