The temperature on June 6, 1911 was between 13.0 °C and 23.7 °C and averaged 18.3 °C. There was 13.7 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
September 29 » Italy declares war on the Ottoman Empire.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage May 10, 1943
The temperature on May 10, 1943 was between 4.6 °C and 14.1 °C and averaged 10.2 °C. There was 3.4 mm of rain during 4.3 hours. There was 3.9 hours of sunshine (25%). The average windspeed was 6 Bft (strong wind) and was prevailing from the south-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 14 » World War II: Japan begins Operation Ke, the successful operation to evacuate its forces from Guadalcanal during the Guadalcanal Campaign.
May 30 » The Holocaust: Josef Mengele becomes chief medical officer of the Zigeunerfamilienlager (Romani family camp) at Auschwitz concentration camp.
July 28 » World War II: Operation Gomorrah: The Royal Air Force bombs Hamburg, Germany causing a firestorm that kills 42,000 German civilians.
September 6 » The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.
September 14 » World War II: The Wehrmacht starts a three-day retaliatory operation targeting several Greek villages in the region of Viannos, whose death toll would eventually exceed 500 persons.
November 24 » World War II: At the battle of Makin the USSLiscome Bay is torpedoed near Tarawa and sinks, killing 650 men.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I209115.php : accessed February 12, 2026), "Froukje Renkema (1911-)".
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