The temperature on April 7, 1917 was between -0.8 °C and 7.3 °C and averaged 2.6 °C. There was 2.6 mm of rain. There was 5.8 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
June 28 » World War I: Greece joins the Allied powers.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
August 28 » Ten Suffragettes are arrested while picketing the White House.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
Day of death February 15, 1983
The temperature on February 15, 1983 was between -3.4 °C and 2.3 °C and averaged -1.2 °C. There was 6.2 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 23 » The United States Environmental Protection Agency announces its intent to buy out and evacuate the dioxin-contaminated community of Times Beach, Missouri.
May 17 » Lebanon, Israel, and the United States sign an agreement on Israeli withdrawal from Lebanon.
June 5 » More than 100 people are killed when the Russian river cruise ship Aleksandr Suvorov collides with a girder of the Ulyanovsk Railway Bridge. The collision caused a freight train to derail, further damaging the vessel yet the ship remained afloat and was eventually restored and returned to service.
July 15 » An attack at Orly Airport in Paris is launched by Armenian militant organisation ASALA, leaving eight people dead and 55 injured.
July 16 » Sikorsky S-61 disaster: A helicopter crashes off the Isles of Scilly, causing 20 fatalities.
December 27 » Pope John Paul II visits Mehmet Ali Ağca in Rebibbia's prison and personally forgives him for the 1981 attack on him in St. Peter's Square.
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/I167075.php : accessed October 18, 2026), "Jan Roorda (1917-1983)".
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