The temperature on January 18, 1920 was between 8.6 °C and 9.3 °C and averaged 9.1 °C. There was 0.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
Day of marriage November 18, 1943
The temperature on November 18, 1943 was between -0.6 °C and 5.2 °C and averaged 2.2 °C. There was 1.8 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) 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/I122944.php : accessed October 19, 2026), "Gerhardus Ettema (1920-)".
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.