The temperature on April 6, 1887 was about 3.5 °C. There was 10 mm of rain. The air pressure was 57 kgf/m2 and came mainly from the north-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. 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 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
Day of marriage October 9, 1918
The temperature on October 9, 1918 was between 1.2 °C and 13.3 °C and averaged 8.1 °C. There was 7.5 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
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 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
June 1 » World War I: Western Front: Battle of Belleau Wood: Allied Forces under John J. Pershing and James Harbord engage Imperial German Forces under Wilhelm, German Crown Prince.
August 31 » World War I: Start of the Battle of Mont Saint-Quentin, a successful assault by the Australian Corps during the Hundred Days Offensive.
September 26 » World War I: The Meuse-Argonne Offensive began which would last until the total surrender of German forces.
October 31 » World War I: The Aster Revolution terminates the Austro-Hungarian Compromise of 1867, and Hungary achieves full sovereignty.
November 4 » World War I: The Armistice of Villa Giusti between Italy and Austria-Hungary is implemented.
When copying data from this family tree, please include a reference to the origin: C.M.W.Vork-Drenth, "Family tree Drenth", database, Genealogy Online (https://www.genealogieonline.nl/drenth_stamboom/I2897.php : accessed January 7, 2026), "Harmannus Johannes Everhardus Swart (1887-????)".
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