The temperature on May 22, 1917 was between 10.2 °C and 24.1 °C and averaged 15.9 °C. There was 12.8 hours of sunshine (80%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
October 25 » Old Style date of the October Revolution in Russia.
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".
November 7 » The Gregorian calendar date of the October Revolution, which gets its name from the Julian calendar date of 25 October. On this date in 1917, the Bolsheviks storm the Winter Palace.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
Day of death April 5, 1918
The temperature on April 5, 1918 was between 7.9 °C and 13.2 °C and averaged 10.5 °C. There was 2.0 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south 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.
February 3 » The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,633 meters) long.
February 5 » SSTuscania is torpedoed off the coast of Ireland; it is the first ship carrying American troops to Europe to be torpedoed and sunk.
March 16 » Finnish Civil War: Battle of Länkipohja is infamous for its bloody aftermath as the Whites executed 70–100 capitulated Reds.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
October 3 » King Boris III of Bulgaria accedes to the throne.
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/I208443.php : accessed October 13, 2026), "Ietje Datema (1917-1918)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.