The temperature on October 12, 1889 was about 12.8 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 80%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
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 8 » The first issue of The Wall Street Journal is published.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage July 6, 1915
The temperature on July 6, 1915 was between 9.5 °C and 22.7 °C and averaged 17.6 °C. There was 0.1 mm of rain. There was 6.7 hours of sunshine (40%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
March 20 » Albert Einstein publishes his general theory of relativity.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of death April 5, 1969
The temperature on April 5, 1969 was between 2.2 °C and 14.3 °C and averaged 8.0 °C. There was 11.5 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I70716.php : accessed February 18, 2026), "Adrianus Joannes Theodorus Maria de Kok (1889-1969)".
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