March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
Day of death June 21, 1941
The temperature on June 21, 1941 was between 12.0 °C and 26.3 °C and averaged 20.0 °C. There was 15.1 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
February 25 » The outlawed Communist Party of the Netherlands organises a general strike in German-occupied Amsterdam to protest against Nazi persecution of Dutch Jews.
May 22 » During the Anglo-Iraqi War, British troops take Fallujah.
September 28 » World War II: The Drama uprising against the Bulgarian occupation in northern Greece begins.
October 30 » President Roosevelt approves $1 billion in Lend-Lease aid to the Allied nations.
December 5 » World War II: In the Battle of Moscow, Georgy Zhukov launches a massive Soviet counter-attack against the German army.
December 9 » World War II: The American 19th Bombardment Group attacks Japanese ships off the coast of Vigan, Luzon.
When copying data from this family tree, please include a reference to the origin: Harry Westerman, "Family tree Westerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerman/I2118.php : accessed February 17, 2026), "Elzard Panjer Kamminga (1895-1941)".
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.