The temperature on June 20, 1917 was between 15.7 °C and 22.6 °C and averaged 19.0 °C. There was 4.0 mm of rain. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
August 28 » Ten Suffragettes are arrested while picketing the White House.
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.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of death August 15, 1999
The temperature on August 15, 1999 was between 12.1 °C and 19.9 °C and averaged 15.9 °C. There was -0.1 mm of rain. There was 7.6 hours of sunshine (52%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan Harm Wolf, "Genealogy Wolf", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-wolf/I652.php : accessed March 3, 2026), "Hendrik Polling (1917-1999)".
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