The temperature on June 14, 1914 was between 14.1 °C and 26.6 °C and averaged 19.6 °C. There was 12.6 hours of sunshine (75%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
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.
September 13 » World War I: The Battle of Aisne begins between Germany and France.
October 19 » First World War: The First Battle of Ypres begins.
Day of marriage May 30, 1942
The temperature on May 30, 1942 was between 9.0 °C and 15.6 °C and averaged 11.4 °C. There was 6.1 mm of rain during 1.9 hours. There was 4.8 hours of sunshine (29%). The average windspeed was 3 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 13 » World War II: First use of an aircraft ejection seat by a German test pilot in a Heinkel He 280 jet fighter.
January 31 » World War II: Allied forces are defeated by the Japanese at the Battle of Malaya and retreat to Singapore.
June 22 » The Pledge of Allegiance is formally adopted by US Congress.
August 19 » World War II: Operation Jubilee: The 2nd Canadian Infantry Division leads an amphibious assault by allied forces on Dieppe, France and fails, many Canadians are killed or captured. The operation was intended to develop and try new amphibious landing tactics for the coming full invasion in Normandy.
September 27 » Last day of the Matanikau action on Guadalcanal as United States Marines barely escape after being surrounded by Japanese forces.
November 8 » World War II: French Resistance coup in Algiers, in which 400 civilian French patriots neutralize Vichyist XIXth Army Corps after 15 hours of fighting, and arrest several Vichyist generals, allowing the immediate success of Operation Torch in Algiers.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I13271.php : accessed February 14, 2026), "Jan Luttje (1914-)".
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