The temperature on July 17, 1861 was about 20.6 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. 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 29 » Kansas is admitted as the 34th U.S. state.
February 9 » American Civil War: Jefferson Davis is elected the Provisional President of the Confederate States of America by the Confederate convention at Montgomery, Alabama.
April 13 » American Civil War: Fort Sumter surrenders to Confederate forces.
June 8 » American Civil War: Tennessee secedes from the Union.
August 5 » American Civil War: In order to help pay for the war effort, the United States government levies the first income tax as part of the Revenue Act of 1861 (3% of all incomes over US$800; rescinded in 1872).
November 21 » American Civil War: Confederate President Jefferson Davis appoints Judah Benjamin Secretary of War.
Day of death January 15, 1944
The temperature on January 15, 1944 was between -0.4 °C and 3.7 °C and averaged 1.7 °C. There was 0.5 mm of rain during 1.3 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
February 7 » World War II: In Anzio, Italy, German forces launch a counteroffensive during the Allied Operation Shingle.
February 23 » The Soviet Union begins the forced deportation of the Chechen and Ingush people from the North Caucasus to Central Asia.
May 1 » World War II: Two hundred Communist prisoners are shot by the Germans at Kaisariani, Athens in reprisal for the killing of General Franz Krech by partisans at Molaoi.
July 22 » The Polish Committee of National Liberation publishes its manifesto, starting the period of Communist rule in Poland.
August 1 » World War II: The Warsaw Uprising against the Nazi German occupation breaks out in Warsaw, Poland.
November 26 » World War II: Germany begins V-1 and V-2 attacks on Antwerp, Belgium.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I22896.php : accessed March 14, 2026), "Durkje Helt (1861-1944)".
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