The temperature on August 7, 1917 was between 11.6 °C and 23.3 °C and averaged 17.6 °C. There was 0.2 mm of rain. There was 13.1 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) 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.
January 17 » The United States pays Denmark $25 million for the Virgin Islands.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
March 31 » According to the terms of the Treaty of the Danish West Indies, the islands become American possessions.
May 19 » The Norwegian football club Rosenborg BK is founded.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
December 7 » World War I: The United States declares war on Austria-Hungary.
Day of marriage March 29, 1969
The temperature on March 29, 1969 was between -5.5 °C and 8.0 °C and averaged 2.6 °C. There was 0.4 mm of rain during 0.7 hours. There was 2.0 hours of sunshine (16%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
March 28 » Greek poet and Nobel Prize laureate Giorgos Seferis makes a famous statement on the BBC World Service opposing the junta in Greece.
April 4 » Dr. Denton Cooley implants the first temporary artificial heart.
August 11 » The Apollo 11 astronauts are released from a three-week quarantine following their liftoff from the moon.
August 21 » Gap Inc. opened their first store in San Francisco, California.
October 1 » Concorde breaks the sound barrier for the first time.
November 20 » Occupation of Alcatraz: Native American activists seize control of Alcatraz Island until being ousted by the U.S. Government on June 11, 1971.
When copying data from this family tree, please include a reference to the origin: C.M.W.Vork-Drenth, "Family tree Drenth", database, Genealogy Online (https://www.genealogieonline.nl/drenth_stamboom/I1512.php : accessed January 23, 2026), "Jan Piet Frederik Herman Kloppenborg (1917-> 1992)".
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