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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
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.
January 19 » The Apple Lisa, the first commercial personal computer from Apple Inc. to have a graphical user interface and a computer mouse, is announced.
June 4 » Gordon Kahl, who killed two US Marshals in Medina, North Dakota on February 13, is killed in a shootout in Smithville, Arkansas, along with a local sheriff, after a four-month manhunt.
September 1 » Cold War: Korean Air Lines Flight 007 is shot down by a Soviet Union jet fighter when the commercial aircraft enters Soviet airspace, killing all 269 on board, including Congressman Lawrence McDonald.
September 26 » Soviet Air Force officer Stanislav Petrov identifies a report of an incoming nuclear missile as a computer error and not an American first strike.
October 30 » The first democratic elections in Argentina, after seven years of military rule, are held.
November 26 » Brink's-Mat robbery: In London, 6,800 gold bars worth nearly £26 million are stolen from the Brink's-Mat vault at Heathrow Airport.
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 October 13, 2026), "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.