February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
February 27 » King George I of Greece survives an assassination attempt.
May 8 » The first games of the Italian football league system are played.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
Day of marriage July 12, 1917
The temperature on July 12, 1917 was between 7.0 °C and 21.6 °C and averaged 15.4 °C. There was 13.5 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
October 26 » First World War: Brazil declares war on the Central Powers.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
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: Irene Jolanda van der Meulen, "Family tree Ype Ypes (waaronder van der Meulen)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ype-ypes/I1328.php : accessed March 16, 2026), "Bontje de Haan (1898-????)".
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