The temperature on May 1, 1914 was between 3.6 °C and 10.0 °C and averaged 6.7 °C. There was 1.0 hours of sunshine (7%). 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 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
June 23 » Mexican Revolution: Pancho Villa takes Zacatecas from Victoriano Huerta.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
August 21 » World War I: The Battle of Charleroi, a successful German attack across the River Sambre that pre-empted a French offensive in the same area.
August 24 » World War I: German troops capture Namur.
August 25 » World War I: The library of the Catholic University of Leuven is deliberately destroyed by the German Army. Hundreds of thousands of irreplaceable volumes and Gothic and Renaissance manuscripts are lost.
Day of marriage May 6, 1939
The temperature on May 6, 1939 was between 7.5 °C and 18.3 °C and averaged 12.2 °C. There was 5.4 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
April 14 » The Grapes of Wrath, by American author John Steinbeck is first published by the Viking Press.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 1 » Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
Day of death April 3, 1995
The temperature on April 3, 1995 was between 7.9 °C and 10.2 °C and averaged 9.2 °C. There was 0.8 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 6 » A chemical fire in an apartment complex in Manila, Philippines, leads to the discovery of plans for Project Bojinka, a mass-terrorist attack.
February 17 » The Cenepa War between Peru and Ecuador ends on a ceasefire brokered by the UN.
February 22 » The Corona reconnaissance satellite program, in existence from 1959 to 1972, is declassified.
May 28 » The 7.0 Mw Neftegorsk earthquake shook the former Russian settlement of Neftegorsk with a maximum Mercalli intensity of IX (Violent). Total damage was $64.1–300million, with 1,989 deaths and 750 injured. The settlement was not rebuilt.
June 8 » Downed U.S. Air Force pilot Captain Scott O'Grady is rescued by U.S. Marines in Bosnia.
December 14 » Yugoslav Wars: The Dayton Agreement is signed in Paris by the leaders of the Federal Republic of Yugoslavia, Croatia, and Bosnia and Herzegovina.
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/I201354.php : accessed October 19, 2026), "Jan Johannes van Delden (1914-1995)".
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