March 6 » Bayer registers "Aspirin" as a trademark.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of marriage May 12, 1923
The temperature on May 12, 1923 was between 2.7 °C and 11.8 °C and averaged 6.2 °C. There was 8.1 mm of rain. There was 5.9 hours of sunshine (38%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death December 14, 1930
The temperature on December 14, 1930 was between 1.8 °C and 6.7 °C and averaged 5.0 °C. There was 3.0 mm of rain during 1.5 hours. There was 0.2 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 6 » The first diesel-powered automobile trip is completed, from Indianapolis, Indiana, to New York, New York.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
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/I132341.php : accessed October 20, 2026), "Pieter Veenstra (1899-1930)".
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