February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
Day of marriage October 18, 1917
The temperature on October 18, 1917 was between 1.8 °C and 13.6 °C and averaged 8.3 °C. There was 4.3 mm of rain. There was 4.4 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
May 19 » The Norwegian football club Rosenborg BK is founded.
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.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
December 7 » World War I: The United States declares war on Austria-Hungary.
Day of death February 1, 1987
The temperature on February 1, 1987 was between -10.8 °C and 1.2 °C and averaged -4.4 °C. There was 7.3 hours of sunshine (80%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I75431.php : accessed December 24, 2025), "Hendrikje Sytsma (1900-1987)".
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