The temperature on June 13, 1917 was between 14.8 °C and 28.6 °C and averaged 19.6 °C. There was 3.9 mm of rain. There was 10.1 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
June 28 » World War I: Greece joins the Allied powers.
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.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
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: Olaf Andersen, "Andersen family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-andersen/I4472.php : accessed February 22, 2026), "Jacobus Verkaaik".
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