March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death June 20, 1923
The temperature on June 20, 1923 was between 6.3 °C and 14.1 °C and averaged 10.5 °C. There was 0.2 mm of rain. There was 0.7 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
April 15 » Insulin becomes generally available for use by people with diabetes.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
When copying data from this family tree, please include a reference to the origin: Eric Jonkers, "Family tree Jonkers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jonkers/P181.php : accessed February 28, 2026), "Maurice Joseph Leon Marie Ludovic Somers (1900-1923)".
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.