March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
Day of marriage September 12, 1917
The temperature on September 12, 1917 was between 9.3 °C and 18.5 °C and averaged 13.3 °C. There was 8.1 mm of rain. There was 4.8 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
May 19 » The Norwegian football club Rosenborg BK is founded.
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
Day of death October 13, 1934
The temperature on October 13, 1934 was between 7.4 °C and 16.3 °C and averaged 12.4 °C. There was 0.3 mm of rain during 0.3 hours. There was 3.6 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 1 » A "Law for the Prevention of Genetically Diseased Offspring" comes into effect in Nazi Germany.
February 2 » The Export-Import Bank of the United States is incorporated.
February 23 » Leopold III becomes King of Belgium.
April 12 » The U.S. Auto-Lite strike begins, culminating in a five-day melee between Ohio National Guard troops and 6,000 strikers and picketers.
May 23 » The Auto-Lite strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
When copying data from this family tree, please include a reference to the origin: H.F.G. Oudmaijer, "Family tree Oudmaijer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudmaijer/I110.php : accessed February 18, 2026), "Maria Helena Oudmaijer (-1934)".
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