March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
March 31 » Malolos, capital of the First Philippine Republic, is captured by American forces.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 29 » The First Hague Convention is signed.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of marriage October 9, 1918
The temperature on October 9, 1918 was between 1.2 °C and 13.3 °C and averaged 8.1 °C. There was 7.5 hours of sunshine (67%). The average windspeed was 4 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 26 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
March 23 » First World War: On the third day of the German Spring Offensive, the 10th Battalion of the Royal West Kent Regiment is annihilated with many of the men becoming prisoners of war
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
November 23 » Heber J. Grant succeeds Joseph F. Smith as the seventh president of The Church of Jesus Christ of Latter-day Saints.
December 4 » U.S. President Woodrow Wilson sails for the World War I peace talks in Versailles, becoming the first US president to travel to Europe while in office.
When copying data from this family tree, please include a reference to the origin: Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I76909.php : accessed February 19, 2026), "Johannes Philippus Schlagwein (1899-????)".
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