The temperature on April 21, 1918 was between -1.8 °C and 11.5 °C and averaged 5.8 °C. There was 8.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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.
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.
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
July 4 » Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
August 29 » World War I: Bapaume taken by the New Zealand Division in the Hundred Days Offensive.
September 15 » World War I: Allied troops break through the Bulgarian defenses on the Macedonian front.
December 17 » Darwin Rebellion: Up to 1,000 demonstrators march on Government House in Darwin, Northern Territory, Australia.
Day of marriage May 1, 1941
The temperature on May 1, 1941 was between 8.0 °C and 12.0 °C and averaged 10.0 °C. There was 1.3 mm of rain during 3.1 hours. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 28 » Franco-Thai War: Final air battle of the conflict. A Japanese-mediated armistice goes into effect later in the day.
April 1 » Fântâna Albă massacre: Between 200 and 2,000 Romanian civilians are killed by Soviet Border Troops.
April 17 » World War II: The Kingdom of Yugoslavia surrenders to Germany.
July 26 » World War II: In response to the Japanese occupation of French Indochina, the United States, Britain and the Netherlands freeze all Japanese assets and cut off oil shipments.
August 24 » Adolf Hitler orders the cessation of Nazi Germany's systematic T4 euthanasia program of the mentally ill and the handicapped due to protests, although killings continue for the remainder of the war.
September 27 » The SSPatrick Henry is launched, becoming the first of more than 2,700 Liberty ships.
Day of death March 11, 2000
The temperature on March 11, 2000 was between 5.3 °C and 11.6 °C and averaged 8.7 °C. There was 1.2 mm of rain during 3.9 hours. There was 2.7 hours of sunshine (23%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 30 » Kenya Airways Flight 431 crashes into the Atlantic Ocean off the coast of Ivory Coast, killing 169.
February 5 » Russian forces massacre at least 60 civilians in the Novye Aldi suburb of Grozny, Chechnya.
June 22 » Wuhan Airlines Flight 343 is struck by lightning and crashes into Wuhan's Hanyang District, killing 49 people.
June 26 » The Human Genome Project announces the completion of a "rough draft" sequence.
October 11 » NASA launches STS-92, the 100th Space Shuttle mission.
December 30 » Rizal Day bombings: A series of bombs explode in various places in Metro Manila, Philippines within a period of a few hours, killing 22 and injuring about a hundred.
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/I117671.php : accessed October 12, 2026), "Ulbe Wijngaarden (1918-2000)".
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