The temperature on January 30, 1864 was about -2.2 °C. The air pressure was 0.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 78 cm mercury. The atmospheric humidity was 90%. Source: KNMI
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.
February 20 » American Civil War: Battle of Olustee: The largest battle fought in Florida during the war.
March 11 » The Great Sheffield Flood kills 238 people in Sheffield, England.
May 7 » The world's oldest surviving clipper ship, the City of Adelaide is launched by William Pile, Hay and Co. in Sunderland, England, for transporting passengers and goods between Britain and Australia.
June 3 » American Civil War: Battle of Cold Harbor: Union forces attack Confederate troops in Hanover County, Virginia.
October 30 » The Treaty of Vienna is signed, by which Denmark relinquishes one province each to Prussia and Austria.
November 4 » American Civil War: Confederate troops bombard a Union supply base and destroy millions of dollars in material at the Battle of Johnsonville.
Day of marriage November 15, 1885
The temperature on November 15, 1885 was about 4.0 °C. There was 3 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
April 2 » Canadian Cree warriors attack the village of Frog Lake, killing nine.
May 1 » The original Chicago Board of Trade Building opens for business.
July 20 » The Football Association legalizes professionalism in association football under pressure from the British Football Association.
July 23 » President Ulysses S. Grant dies of throat cancer.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
November 28 » Bulgarian victory in the Serbo-Bulgarian War preserves the Unification of Bulgaria.
Day of death December 20, 1942
The temperature on December 20, 1942 was between 3.8 °C and 9.1 °C and averaged 6.5 °C. There was 2.6 mm of rain during 4.3 hours. There was 4.3 hours of sunshine (56%). The average windspeed was 4 Bft (moderate breeze) 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.
January 2 » The Federal Bureau of Investigation (FBI) obtains the conviction of 33 members of a German spy ring headed by Fritz Joubert Duquesne in the largest espionage case in United States history—the Duquesne Spy Ring.
February 9 » Year-round Daylight saving time (aka War Time) is re-instated in the United States as a wartime measure to help conserve energy resources.
February 10 » World War II: Imperial Japanese Army capture Banjarmasin, capital of Borneo in Dutch East Indies.
February 11 » World War II: Second day of the Battle of Bukit Timah is fought in Singapore.
July 16 » Holocaust: Vel' d'Hiv Roundup (Rafle du Vel' d'Hiv): The government of Vichy France orders the mass arrest of 13,152 Jews who are held at the Vélodrome d'Hiver in Paris before deportation to Auschwitz.
November 19 » Mutesa II is crowned the 35th and last Kabaka (king) of Buganda, prior to the restoration of the kingdom in 1993.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I345.php : accessed February 18, 2026), "Pieter Kalksma (1864-1942)".
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