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.
February 13 » Thomas Edison observes Thermionic emission.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
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".
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
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 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.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
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.
January 10 » The first General Assembly of the United Nations opens in London. Fifty-one nations are represented.
January 31 » Cold War: Yugoslavia's new constitution, modeling that of the Soviet Union, establishes six constituent republics (Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia and Slovenia).
January 31 » The Democratic Republic of Vietnam introduces the đồng to replace the French Indochinese piastre at par.
June 5 » A fire in the La Salle Hotel in Chicago, Illinois, kills 61 people.
July 26 » Aloha Airlines begins service from Honolulu International Airport.
October 1 » Nazi leaders are sentenced at the Nuremberg trials.
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 October 20, 2026), "Hendrik Poelstra (1880-1946)".
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