January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
April 7 » Completion of the first Lake Biwa Canal.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
July 10 » Wyoming is admitted as the 44th U.S. state.
October 12 » Uddevalla Suffrage Association is formed.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage April 26, 1912
The temperature on April 26, 1912 was between 4.5 °C and 19.0 °C and averaged 12.2 °C. There was 12.8 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I22239.php : accessed February 4, 2026), "Johanna Cornelia Kooijman (1890-????)".
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