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).
February 23 » President-elect Abraham Lincoln arrives secretly in Washington, D.C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.
March 21 » Alexander Stephens gives the Cornerstone Speech.
April 6 » First performance of Arthur Sullivan's debut success, his suite of incidental music for The Tempest, leading to a career that included the famous Gilbert and Sullivan operas.
May 13 » The Great Comet of 1861 is discovered by John Tebbutt of Windsor, New South Wales, Australia.
October 9 » American Civil War: Union troops repel a Confederate attempt to capture Fort Pickens.
October 21 » American Civil War: Union forces under Colonel Edward Baker are defeated by Confederate troops in the second major battle of the war.
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.
May 15 » Joseph Stalin dissolves the Comintern (or Third International).
June 24 » US military police attempt to arrest a black soldier in Bamber Bridge, England, sparking the Battle of Bamber Bridge mutiny that leaves one dead and seven wounded.
July 23 » The Rayleigh bath chair murder occurred in Rayleigh, Essex, England.
August 17 » World War II: The Royal Air Force begins Operation Hydra, the first air raid of the Operation Crossbow strategic bombing campaign against Germany's V-weapon program.
October 19 » Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.
November 19 » Holocaust: Nazis liquidate Janowska concentration camp in Lemberg (Lviv), western Ukraine, murdering at least 6,000 Jews after a failed uprising and mass escape attempt.
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 September 28, 2026), "Sipkje Koolker (1861-1943)".
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