The temperature on April 1, 1917 was between 1.2 °C and 6.7 °C and averaged 3.4 °C. There was 2.7 mm of rain. There was 3.5 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
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.
June 28 » World War I: Greece joins the Allied powers.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 26 » The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
December 6 » Finland declares independence from Soviet Russia.
Day of marriage December 24, 1938
The temperature on December 24, 1938 was between -6.4 °C and -3.8 °C and averaged -5.5 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death April 6, 1993
The temperature on April 6, 1993 was between 6.4 °C and 10.6 °C and averaged 8.4 °C. There was 5.2 mm of rain during 7.1 hours. There was 1.2 hours of sunshine (9%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
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/I139002.php : accessed February 17, 2026), "Sjoerd van der Heide (1917-1993)".
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