January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
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.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 10 » Beginning of the Wilmington insurrection of 1898, the only instance of a municipal government being overthrown in United States history.
Day of marriage June 30, 1917
The temperature on June 30, 1917 was between 13.6 °C and 17.2 °C and averaged 15.0 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 9 » World War I: The Battle of Rafa is fought near the Egyptian border with Palestine.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
December 20 » Cheka, the first Soviet secret police force, is founded.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I25275.php : accessed December 27, 2025), "Maria Jozefina Francisca Janssens (1898-????)".
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