The temperature on September 20, 1887 was about 12.6 °C. There was 0.5 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
October 1 » Balochistan is conquered by the British Empire.
November 13 » Bloody Sunday clashes in central London.
Day of marriage June 4, 1914
The temperature on June 4, 1914 was between 2.0 °C and 19.2 °C and averaged 11.3 °C. There was 0.1 mm of rain. There was 7.4 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
August 2 » The German occupation of Luxembourg during World War I begins.
August 6 » World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
August 24 » World War I: German troops capture Namur.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
When copying data from this family tree, please include a reference to the origin: Bea Werner, "Family tree Lars Werner", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lars-werner/I28841.php : accessed February 18, 2026), "Jan van STEENIS (1887-> 1943)".
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