The temperature on May 28, 1882 was about 25.1 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 37%. 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.
March 24 » Robert Koch announces the discovery of Mycobacterium tuberculosis, the bacterium responsible for tuberculosis.
April 3 » American Old West: Robert Ford kills Jesse James.
May 6 » Thomas Henry Burke and Lord Frederick Cavendish are stabbed to death by Fenian assassins in Phoenix Park, Dublin.
June 6 » The Shewan forces of Menelik II of Ethiopia defeat the Gojjame army in the Battle of Embabo. The Shewans capture Negus Tekle Haymanot of Gojjam, and their victory leads to a Shewan hegemony over the territories south of the Abay River.
September 30 » Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
Day of marriage April 30, 1914
The temperature on April 30, 1914 was between 6.6 °C and 13.3 °C and averaged 9.3 °C. There was 0.4 mm of rain. There was 1.5 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
August 23 » World War I: Japan declares war on Germany.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
September 13 » World War I: The Battle of Aisne begins between Germany and France.
Day of death January 11, 1968
The temperature on January 11, 1968 was between -7.6 °C and 2.0 °C and averaged -0.9 °C. There was 3.0 mm of rain during 1.4 hours. There was 3.0 hours of sunshine (37%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 24 » Vietnam War: The 1st Australian Task Force launches Operation Coburg against the North Vietnamese Army and Viet Cong during wider fighting around Long Bình and Biên Hòa.
April 6 » In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
August 28 » The police rioted during the Democratic National Convention, beating up anti-war protesters, peaceful demonstrators, innocent bystanders, and members of the press.
November 22 » The Beatles release The Beatles (known popularly as The White Album).
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
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/I212758.php : accessed October 25, 2026), "Klaas Boonstra (1882-1968)".
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