The temperature on April 9, 1889 was about 12.2 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 64%. Source: KNMI
February 11 » Meiji Constitution of Japan is adopted.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
Day of marriage May 11, 1922
The temperature on May 11, 1922 was between 0.7 °C and 11.8 °C and averaged 6.5 °C. There was 3.4 hours of sunshine (22%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
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.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
February 8 » United States President Warren G. Harding introduces the first radio set in the White House.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
September 18 » The Kingdom of Hungary is admitted to the League of Nations.
November 15 » At least 300 are massacred during a general strike in Guayaquil, Ecuador.
November 26 » The Toll of the Sea debuts as the first general release film to use two-tone Technicolor. (The Gulf Between was the first film to do so, but it was not widely distributed.)
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I271359.php : accessed January 24, 2026), "Hendrika Cornelia Johanna Pannekoek (1889-????)".
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