The temperature on March 6, 1917 was between -3.5 °C and 2.3 °C and averaged -1.0 °C. There was 4.7 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. 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.
January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
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.
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.
Christening day September 9, 1917
The temperature on September 9, 1917 was between 11.6 °C and 18.8 °C and averaged 15.2 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
November 2 » The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
December 6 » Finland declares independence from Soviet Russia.
December 18 » The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
Day of death November 13, 1918
The temperature on November 13, 1918 was between 0.7 °C and 8.5 °C and averaged 4.8 °C. There was 0.2 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 25 » German forces capture Tallinn to virtually complete the occupation of Estonia.
March 27 » The National Council of Bessarabia proclaims union with the Kingdom of Romania.
March 31 » Daylight saving time goes into effect in the United States for the first time.
April 23 » World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
November 3 » The German Revolution of 1918–19 begins when 40,000 sailors take over the port in Kiel.
November 11 » Emperor Charles I of Austria relinquishes power.
Day of burial November 16, 1918
The temperature on November 16, 1918 was between -4.1 °C and 4.1 °C and averaged -0.5 °C. There was 7.6 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 29 » Ukrainian–Soviet War: An armed uprising organized by the Bolsheviks in anticipation of the encroaching Red Army begins at the Kiev Arsenal, which will be put down six days later.
September 29 » The Hindenburg Line is broken by an Allied attack.
October 30 » World War I: Lands of the Crown of Saint Stephen, a state union of Kingdom of Hungary and Triune Kingdom of Croatia, Slavonia and Dalmatia is abolished with decisions of Croatian and Hungarian parliaments
November 7 » Kurt Eisner overthrows the Wittelsbach dynasty in the Kingdom of Bavaria.
November 12 » Austria becomes a republic. After the proclamation, a coup attempt by the communist Red Guard is defeated by the social-democratic Volkswehr.
November 21 » The Parliament (Qualification of Women) Act 1918 is passed, allowing women to stand for Parliament in the UK.
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/I66717.php : accessed October 16, 2026), "Klaas Helder (1917-1918)".
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