The temperature on August 13, 1911 was between 15.4 °C and 30.6 °C and averaged 23.8 °C. There was 12.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 26 » Glenn Curtiss flies the first successful American seaplane.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage March 7, 1940
The temperature on March 7, 1940 was between -1.6 °C and 6.2 °C and averaged 1.5 °C. There was 0.1 mm of rain. There was 2.0 hours of sunshine (18%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 7 » Winter War: Battle of Raate Road - The Finnish 9th Division finally defeat the numerically superior Soviet forces on the Raate-Suomussalmi road.
May 5 » World War II: Norwegian Campaign: Norwegian squads in Hegra Fortress and Vinjesvingen capitulate to German forces after all other Norwegian forces in southern Norway had laid down their arms.
June 15 » World War II: Operation Ariel begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.
November 7 » In Tacoma, Washington, the original Tacoma Narrows Bridge collapses in a windstorm, a mere four months after the bridge's completion.
November 11 » World War II: In the Battle of Taranto, the Royal Navy launches the first all-aircraft ship-to-ship naval attack in history.
November 22 » World War II: Following the initial Italian invasion, Greek troops counterattack into Italian-occupied Albania and capture Korytsa.
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/I119059.php : accessed October 4, 2026), "Grietje Zijlstra (1911-)".
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