The temperature on June 15, 1918 was between 7.6 °C and 15.5 °C and averaged 12.2 °C. There was 5.0 mm of rain. There was 11.3 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
March 25 » The Belarusian People's Republic is established.
May 2 » General Motors acquires the Chevrolet Motor Company of Delaware.
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.
November 1 » Western Ukraine separates from Austria-Hungary.
November 4 » World War I: The Armistice of Villa Giusti between Italy and Austria-Hungary is implemented.
Day of marriage December 23, 1939
The temperature on December 23, 1939 was between -6.4 °C and 1.5 °C and averaged -2.0 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
April 1 » Spanish Civil War: Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
October 8 » World War II: Germany annexes western Poland.
November 23 » World War II: HMSRawalpindi is sunk by the German battleships Scharnhorst and Gneisenau.
Day of death August 4, 1990
The temperature on August 4, 1990 was between 15.7 °C and 35.3 °C and averaged 24.8 °C. There was 11.6 hours of sunshine (75%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
July 16 » The Parliament of the Ukrainian SSR declares state sovereignty over the territory of the Ukrainian SSR.
August 23 » West and East Germany announce that they will reunite on October 3.
September 29 » Construction of the Cathedral Church of Saint Peter and Saint Paul (better known as Washington National Cathedral) is completed in Washington, D.C.
October 5 » After 150 years The Herald newspaper in Melbourne, Australia, is published for the last time as a separate newspaper.
November 2 » British Satellite Broadcasting and Sky Television plc merge to form BSkyB as a result of massive losses.
November 12 » Tim Berners-Lee publishes a formal proposal for the World Wide Web.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I11096.php : accessed February 6, 2026), "Jan Veenstra (1918-1990)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.