The temperature on April 30, 1880 was about 11.1 °C. The air pressure was 8 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 46%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
June 29 » France annexes Tahiti, renaming the independent Kingdom of Tahiti as "Etablissements de français de l'Océanie".
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of marriage June 7, 1902
The temperature on June 7, 1902 was between 8.7 °C and 16.6 °C and averaged 12.4 °C. There was 5.5 hours of sunshine (33%). Source: KNMI
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Cadillac Motor Company is founded.
Day of death May 1, 1946
The temperature on May 1, 1946 was between 8.0 °C and 19.3 °C and averaged 13.8 °C. There was 11.2 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
March 9 » Bolton Wanderers stadium disaster at Burnden Park, Bolton, England, kills 33 and injures hundreds more.
April 5 » Soviet troops end their year-long occupation of the Danish island of Bornholm.
May 1 » Start of three-year Pilbara strike of Indigenous Australians.
June 2 » Birth of the Italian Republic: In a referendum, Italians vote to turn Italy from a monarchy into a Republic. After the referendum, King Umberto II of Italy is exiled.
October 1 » Nazi leaders are sentenced at the Nuremberg trials.
December 17 » Kurdistan flag day, the flag of Kurdistan was raised for the first time in Mahabad in eastern Kurdistan (Iran).
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/I77947.php : accessed February 9, 2026), "Hendrik Poelstra (1880-1946)".
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