The temperature on September 4, 1919 was between 11.0 °C and 19.6 °C and averaged 15.4 °C. There was 1.7 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
February 6 » The five-day Seattle General Strike begins, as more than 65,000 workers in the city of Seattle, Washington, walk off the job.
February 14 » The Polish–Soviet War begins.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
October 17 » RCA is incorporated as the Radio Corporation of America.
Check the information Open Archives has about Van Lopik.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Van Lopik.
The Family tree Van Willigen publication was prepared by Rob van Willigen (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Rob van Willigen, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-willigen/I7973.php : accessed February 19, 2026), "Klaas van Lopik (1887-????)".
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.