The temperature on July 18, 1886 was about 20.3 °C. The air pressure was 10 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
Day of marriage March 17, 1914
The temperature on March 17, 1914 was between 2.8 °C and 7.8 °C and averaged 4.8 °C. There was 7.0 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
August 20 » World War I: Brussels is captured during the German invasion of Belgium.
August 23 » World War I: The British Expeditionary Force and the French Fifth Army begin their Great Retreat before the German Army.
August 25 » World War I: The library of the Catholic University of Leuven is deliberately destroyed by the German Army. Hundreds of thousands of irreplaceable volumes and Gothic and Renaissance manuscripts are lost.
September 1 » The last known passenger pigeon, a female named Martha, dies in captivity in the Cincinnati Zoo.
September 26 » The United States Federal Trade Commission is established by the Federal Trade Commission Act.
November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I590.php : accessed December 26, 2025), "WILLEM ADRIANUS BOOGAERDT (1886-????)".
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