The temperature on October 18, 1917 was between 1.8 °C and 13.6 °C and averaged 8.3 °C. There was 4.3 mm of rain. There was 4.4 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
December 6 » Finland declares independence from Soviet Russia.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of marriage February 27, 1947
The temperature on February 27, 1947 was between -6.0 °C and 0.2 °C and averaged -1.8 °C. There was 0.9 mm of rain during 5.1 hours. There was 3.4 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
April 16 » An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600.
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
December 6 » The Everglades National Park in Florida is dedicated.
Day of death August 30, 1987
The temperature on August 30, 1987 was between 8.4 °C and 22.0 °C and averaged 15.2 °C. There was 6.7 hours of sunshine (49%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 17 » Iran–Iraq War: An Iraqi Dassault Mirage F1 fighter jet fires two missiles into the U.S. Navy warship USSStark, killing 37 and injuring 21 of her crew.
May 28 » A West German pilot, Mathias Rust, who was 18 years old, evades Soviet Union air defences and lands a private plane in the Red Square in Moscow, Russia.
July 1 » The American radio station WFAN in New York City is launched as the world's first all-sports radio station.
November 8 » Remembrance Day bombing: A Provisional IRA bomb explodes in Enniskillen, Northern Ireland during a ceremony honouring those who had died in wars involving British forces. Twelve people are killed and sixty-three wounded.
December 8 » An Israeli army tank transporter kills four Palestinian refugees and injures seven others during a traffic accident at the Erez Crossing on the Israel–Gaza Strip border, which has been cited as one of the events which sparked the First Intifada.
December 9 » Israeli–Palestinian conflict: The First Intifada begins in the Gaza Strip and West Bank.
When copying data from this family tree, please include a reference to the origin: Cor van der Linden, "Kaizer/van der Linden family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaizer/I652.php : accessed January 6, 2026), "Helena Maria Letschert (1917-1987)".
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