The temperature on April 7, 1917 was between -0.8 °C and 7.3 °C and averaged 2.6 °C. There was 2.6 mm of rain. There was 5.8 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) 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.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
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 death October 21, 1992
The temperature on October 21, 1992 was between 2.7 °C and 9.7 °C and averaged 5.9 °C. There was 1.7 mm of rain during 2.3 hours. There was 2.8 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 16 » El Salvador officials and rebel leaders sign the Chapultepec Peace Accords in Mexico City, Mexico ending the 12-year Salvadoran Civil War that claimed at least 75,000 lives.
March 17 » Israeli Embassy attack in Buenos Aires: Car bomb attack kills 29 and injures 242.
May 24 » The ethnic cleansing in Kozarac, Bosnia and Herzegovina begins when Serbian militia and police forces enter the town.
August 12 » Canada, Mexico and the United States announce completion of negotiations for the North American Free Trade Agreement (NAFTA).
November 16 » The Hoxne Hoard is discovered by metal detectorist Eric Lawes in Hoxne, Suffolk.
December 31 » Czechoslovakia is peacefully dissolved in what is dubbed by media as the Velvet Divorce, resulting in the creation of the Czech Republic and the Slovak Republic.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I18076.php : accessed February 17, 2026), "Florus Leon Gerrit Slooff (1917-1992)".
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