April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of death March 3, 1919
The temperature on March 3, 1919 was between 5.0 °C and 10.4 °C and averaged 8.0 °C. There was 5.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
March 1 » March 1st Movement begins in Korea under Japanese rule.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
August 11 » Germany's Weimar Constitution is signed into law.
September 18 » The Netherlands gives women the right to vote.
September 28 » Race riots begin in Omaha, Nebraska.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
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/I108912.php : accessed October 16, 2026), "Jan Rinze Roorda (1897-1919)".
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.