The temperature on July 1, 1914 was between 14.1 °C and 28.1 °C and averaged 22.1 °C. There was 13.7 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
August 24 » World War I: German troops capture Namur.
September 5 » World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital.
September 16 » World War I: The Siege of Przemyśl (present-day Poland) begins.
September 17 » World War I: The Race to the Sea begins.
December 8 » World War I: A squadron of Britain's Royal Navy defeats the Imperial German East Asia Squadron in the Battle of the Falkland Islands in the South Atlantic.
Day of death October 7, 1971
The temperature on October 7, 1971 was between 0.8 °C and 18.6 °C and averaged 9.9 °C. There was -0.1 mm of rain. There was 10.1 hours of sunshine (90%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
May 30 » Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
May 31 » In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
September 8 » In Washington, D.C., the John F. Kennedy Center for the Performing Arts is inaugurated, with the opening feature being the premiere of Leonard Bernstein's Mass.
October 1 » The first practical CT scanner is used to diagnose a patient.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
When copying data from this family tree, please include a reference to the origin: Peter Menting, "Family tree Menting", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-menting/I33300.php : accessed January 8, 2026), "Jan Vroegop (1914-1971)".
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