January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
January 25 » Nellie Bly completes her round-the-world journey in 72 days.
July 1 » Canada and Bermuda are linked by telegraph cable.
July 27 » Vincent van Gogh shoots himself and dies two days later.
September 12 » Salisbury, Rhodesia, is founded.
October 1 » Yosemite National Park is established by the U.S. Congress.
Day of marriage July 21, 1917
The temperature on July 21, 1917 was between 9.0 °C and 19.6 °C and averaged 14.5 °C. There was 13.5 hours of sunshine (84%). 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.
January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
September 26 » World War I: The Battle of Polygon Wood begins.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1083230424.php : accessed January 24, 2026), "Maria Boeve (1890-????)".
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