The temperature on April 29, 1917 was between 7.2 °C and 13.3 °C and averaged 9.5 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
November 5 » October Revolution: Lenin calls for the October Revolution.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of marriage August 6, 1943
The temperature on August 6, 1943 was between 9.6 °C and 18.7 °C and averaged 15.0 °C. There was 1.9 mm of rain during 0.5 hours. There was 4.4 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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 22 » World War II: Australian and American forces defeat Japanese army and navy units in the bitterly fought Battle of Buna–Gona.
October 6 » World War II: Thirteen civilians are burnt alive by a paramilitary group in Crete.
October 19 » Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.
October 19 » The cargo vessel Sinfra is attacked by Allied aircraft at Crete and sunk. 2,098 Italian prisoners of war drown with it.
November 16 » World War II: American bombers strike a hydro-electric power facility and heavy water factory in German-controlled Vemork, Norway.
December 13 » World War II: The Massacre of Kalavryta by German occupying forces in Greece.
Day of death April 27, 1991
The temperature on April 27, 1991 was between 3.0 °C and 13.8 °C and averaged 8.1 °C. There was 10.7 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
March 23 » The Revolutionary United Front, with support from the special forces of Charles Taylor's National Patriotic Front of Liberia, invades Sierra Leone in an attempt to overthrow Joseph Saidu Momoh, sparking the 11-year Sierra Leone Civil War.
May 31 » Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations' UNAVEM II mission.
June 27 » Slovenia, after declaring independence two days before is invaded by Yugoslav troops, tanks, and aircraft starting the Ten-Day War.
July 10 » The South African cricket team is readmitted into the International Cricket Council following the end of Apartheid.
August 27 » The European Community recognizes the independence of the Baltic states of Estonia, Latvia and Lithuania.
October 18 » The Supreme Council of Azerbaijan adopts a declaration of independence from the Soviet Union.
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/I123542.php : accessed December 31, 2025), "Willem Dupon (1917-1991)".
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