The temperature on August 9, 1914 was between 14.6 °C and 24.3 °C and averaged 18.5 °C. There was 7.7 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
August 5 » In Cleveland, Ohio, the first electric traffic light is installed.
August 12 » World War I: The Battle of Halen a.k.a. Battle of the Silver Helmets a clash between large Belgian and German cavalry formations at Halen, Belgium.
August 26 » World War I: During the retreat from Mons, the British II Corps commanded by General Sir Horace Smith-Dorrien fought a vigorous and successful defensive action at Le Cateau.
November 1 » World War I: The first British Royal Navy defeat of the war with Germany, the Battle of Coronel, is fought off of the western coast of Chile, in the Pacific, with the loss of HMSGood Hope and HMSMonmouth.
November 5 » World War I: France and the British Empire declare war on the Ottoman Empire.
Day of death June 25, 1970
The temperature on June 25, 1970 was between 9.8 °C and 21.0 °C and averaged 16.9 °C. There was 8.0 hours of sunshine (48%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
March 2 » Rhodesia declares itself a republic, breaking its last links with the British crown.
July 21 » After 11 years of construction, the Aswan High Dam in Egypt is completed.
September 12 » Dawson's Field hijackings: Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
October 10 » Canada's October Crisis escalates when Quebec's vice-premier is kidnapped by members of the FLQ.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I296045.php : accessed March 3, 2026), "Leonardus de Groot (1914-1970)".
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