The temperature on August 13, 1887 was about 12.9 °C. The air pressure was 4 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 84%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
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 September 2, 1925
The temperature on September 2, 1925 was between 10.8 °C and 17.7 °C and averaged 13.7 °C. There was 0.2 mm of rain. There was 5.8 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
March 21 » The Butler Act prohibits the teaching of human evolution in Tennessee.
April 16 » During the Communist St Nedelya Church assault in Sofia, Bulgaria, 150 are killed and 500 are wounded.
April 26 » Paul von Hindenburg defeats Wilhelm Marx in the second round of the German presidential election to become the first directly elected head of state of the Weimar Republic.
July 18 » Adolf Hitler publishes Mein Kampf.
October 30 » John Logie Baird creates Britain's first television transmitter.
December 11 » Roman Catholic papal encyclical Quas primas introduces the Feast of Christ the King.
Day of death April 13, 1931
The temperature on April 13, 1931 was between 2.8 °C and 10.3 °C and averaged 6.4 °C. There was 1.6 mm of rain during 1.8 hours. There was 7.5 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 14 » The Spanish Cortes deposes King Alfonso XIII and proclaims the Second Spanish Republic.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
July 1 » United Airlines begins service (as Boeing Air Transport).
July 1 » Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
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The Family tree Jonker publication was prepared by Hendrik Willem Jonker (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Hendrik Willem Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jonker/I941.php : accessed February 14, 2026), "Mina Jonkers (1887-1931)".
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