The temperature on April 16, 1889 was about 7.2 °C. The air pressure was 10 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
July 11 » Tijuana, Mexico, is founded.
November 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage June 4, 1914
The temperature on June 4, 1914 was between 2.0 °C and 19.2 °C and averaged 11.3 °C. There was 0.1 mm of rain. There was 7.4 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
May 30 » The new, and then the largest, Cunard ocean liner RMSAquitania, 45,647 tons, sets sails on her maiden voyage from Liverpool, England, to New York City.
August 4 » In response to the German invasion of Belgium, Belgium and the British Empire declare war on Germany. The United States declares its neutrality.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
September 5 » World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
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/I76410.php : accessed December 27, 2025), "Siebren Feenstra (1889-????)".
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