April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 17, 1919
The temperature on May 17, 1919 was between 6.6 °C and 21.9 °C and averaged 14.9 °C. There was 13.6 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 16 » Nebraska becomes the 36th state to approve the Eighteenth Amendment to the United States Constitution. With the necessary three-quarters of the states approving the amendment, Prohibition is constitutionally mandated in the United States one year later.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
September 18 » The Netherlands gives women the right to vote.
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
November 7 » The first Palmer Raid is conducted on the second anniversary of the Russian Revolution. Over 10,000 suspected communists and anarchists are arrested in 23 U.S. cities.
Day of death December 23, 1934
The temperature on December 23, 1934 was between 2.5 °C and 5.4 °C and averaged 4.0 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 1 » Alcatraz Island in San Francisco Bay becomes a United States federal prison.
November 11 » The Shrine of Remembrance in Melbourne, Australia is opened.
November 23 » An Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory. This leads to the Abyssinia Crisis.
November 30 » The LNER Class A3 4472 Flying Scotsman becomes the first steam locomotive to be authenticated as reaching 100mph.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
December 29 » Japan renounces the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.
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/I75577.php : accessed October 8, 2026), "Jelle Helder (1897-1934)".
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.