The temperature on December 6, 1878 was about 0.2 °C. There was 3 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 19 » Thomas Edison patents the phonograph.
March 24 » The British frigate HMSEurydice sinks, killing more than 300.
May 14 » The last witchcraft trial held in the United States begins in Salem, Massachusetts, after Lucretia Brown, an adherent of Christian Science, accused Daniel Spofford of attempting to harm her through his mental powers.
July 1 » Canada joins the Universal Postal Union.
October 15 » The Edison Electric Light Company begins operation.
December 18 » The Al-Thani family become the rulers of the state of Qatar.
Day of marriage April 29, 1919
The temperature on April 29, 1919 was between -3.7 °C and 9.8 °C and averaged 2.8 °C. There was 2.1 mm of rain. There was 2.9 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
July 6 » The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
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/I62138.php : accessed October 14, 2026), "Willem de Boer (1878-????)".
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