The temperature on May 9, 1887 was about 19.9 °C. The air pressure was 22 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 52%. 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.
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.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
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 May 12, 1921
The temperature on May 12, 1921 was between 9.2 °C and 21.1 °C and averaged 15.5 °C. There was 9.1 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
Day of death June 29, 1971
The temperature on June 29, 1971 was between 9.1 °C and 17.8 °C and averaged 13.7 °C. There was 12.2 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Sjoukelien Klompstra, "Family tree Klompstra", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-klompstra/I267.php : accessed February 28, 2026), "Tjettje Sikma (1887-1971)".
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