The temperature on September 13, 1865 was about 16.3 °C. The air pressure was 0.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 71%. 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 8 » Delaware refuses to ratify the Thirteenth Amendment to the U.S. Constitution. Slavery was outlawed in the United States, including Delaware, when the Amendment was ratified by the requisite number of states on December 6, 1865. Delaware ratified the Thirteenth Amendment on February 12, 1901, which was the ninety-second anniversary of the birth of Abraham Lincoln.
March 2 » East Cape War: The Völkner Incident in New Zealand.
March 29 » American Civil War: Federal forces under Major General Philip Sheridan move to flank Confederate forces under Robert E. Lee as the Appomattox Campaign begins.
April 26 » Union cavalry troopers corner and shoot dead John Wilkes Booth, assassin of President Abraham Lincoln, in Virginia.
May 10 » American Civil War: In Kentucky, Union soldiers ambush and mortally wound Confederate raider William Quantrill, who lingers until his death on June 6.
December 17 » First performance of the Unfinished Symphony by Franz Schubert.
Day of marriage May 10, 1900
The temperature on May 10, 1900 was about 12.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. Source: KNMI
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
October 9 » The Cook Islands become a territory of the United Kingdom.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death February 9, 1940
The temperature on February 9, 1940 was between -7.3 °C and -2.1 °C and averaged -3.7 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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/I48317.php : accessed October 17, 2026), "Zwaantje Haalstra (1865-1940)".
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