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.
June 23 » Mexican Revolution: Pancho Villa takes Zacatecas from Victoriano Huerta.
August 5 » In Cleveland, Ohio, the first electric traffic light is installed.
August 6 » World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea.
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.
November 7 » The first issue of The New Republic is published.
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 26 » World War II: The first United States forces arrive in Europe landing in Northern Ireland.
July 1 » World War II: First Battle of El Alamein.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
September 12 » World War II: First day of the Battle of Edson's Ridge during the Guadalcanal Campaign. U.S. Marines protecting Henderson Field are attacked by Japanese troops.
October 6 » World War II: American troops force the Japanese from their positions east of the Matanikau River on Guadalcanal.
November 3 » World War II: The Koli Point action begins during the Guadalcanal Campaign and ends on November 12.
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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