The temperature on November 22, 1873 was about 9.9 °C. There was 0.2 mm of rain. The air pressure was 30 kgf/m2 and came mainly from the west-northwest. The airpressure was 74 cm mercury. The atmospheric humidity was 71%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
May 17 » Second Boer War: British troops relieve Mafeking.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death December 16, 1954
The temperature on December 16, 1954 was between -1.2 °C and 3.4 °C and averaged 1.3 °C. There was 0.2 mm of rain. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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/I209689.php : accessed October 15, 2026), "Pieter Heemstra (1873-1954)".
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