The temperature on February 17, 1917 was between -1.1 °C and 6.6 °C and averaged 3.5 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 26 » World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
Day of death June 17, 1983
The temperature on June 17, 1983 was between 4.3 °C and 16.6 °C and averaged 11.6 °C. There was -0.1 mm of rain. There was 14.2 hours of sunshine (85%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 12 » One hundred women protest in Lahore, Pakistan against military dictator Zia-ul-Haq's proposed Law of Evidence. The women were tear-gassed, baton-charged and thrown into lock-up. The women were successful in repealing the law.
May 1 » The Sydney Entertainment Centre is opened.
July 15 » An attack at Orly Airport in Paris is launched by Armenian militant organisation ASALA, leaving eight people dead and 55 injured.
November 5 » Byford Dolphin diving bell accident kills five and leaves one severely injured.
November 15 » Turkish Republic of Northern Cyprus declares independence. Recognized only by Turkey.
December 10 » Democracy is restored in Argentina with the inauguration of President Raúl Alfonsín.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I130480.php : accessed December 27, 2025), "Arjen Koopman (1917-1983)".
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.