The temperature on February 9, 1887 was about -3.7 °C. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 78 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.
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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
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.
Day of marriage January 21, 1920
The temperature on January 21, 1920 was between 3.2 °C and 7.8 °C and averaged 4.9 °C. There was 5.0 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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 10 » The Treaty of Versailles takes effect, officially ending World War I.
April 28 » Azerbaijan is added to the Soviet Union.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I11501.php : accessed February 25, 2026), "Jan van der Veen (1887-????)".
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