The temperature on June 11, 1919 was between 9.5 °C and 26.8 °C and averaged 18.9 °C. There was 13.0 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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.
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.
March 1 » March 1st Movement begins in Korea under Japanese rule.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I51948.php : accessed May 10, 2025), "Grada Johanna Antonia Sletering (1891-????)".
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.