The temperature on March 11, 1915 was between 1.5 °C and 7.2 °C and averaged 4.4 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of marriage May 3, 1947
The temperature on May 3, 1947 was between 6.7 °C and 16.0 °C and averaged 11.5 °C. There was 0.2 mm of rain during 0.2 hours. There was 2.7 hours of sunshine (18%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the east. Source: KNMI
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
November 25 » New Zealand ratifies the Statute of Westminster and thus becomes independent of legislative control by the United Kingdom.
November 29 » First Indochina War: French forces carry out a massacre at Mỹ Trạch, Vietnam.
December 17 » First flight of the Boeing B-47 Stratojet strategic bomber.
December 23 » The transistor is first demonstrated at Bell Laboratories.
Day of death February 21, 1997
The temperature on February 21, 1997 was between 6.6 °C and 10.9 °C and averaged 9.2 °C. There was 0.7 mm of rain during 1.3 hours. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
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/I186748.php : accessed October 15, 2026), "Anne Heidstra (1915-1997)".
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