June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
July 8 » The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of marriage January 23, 1918
The temperature on January 23, 1918 was between 7.1 °C and 10.1 °C and averaged 8.6 °C. There was 2.8 mm of rain. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
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.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
August 8 » World War I: The Battle of Amiens begins a string of almost continuous Allied victories with a push through the German front lines (Hundred Days Offensive).
August 21 » World War I: The Second Battle of the Somme begins.
October 30 » World War I: The Ottoman Empire signs the Armistice of Mudros with the Allies.
November 14 » Czechoslovakia becomes a republic.
December 17 » Darwin Rebellion: Up to 1,000 demonstrators march on Government House in Darwin, Northern Territory, Australia.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I4875.php : accessed January 3, 2026), "Gijsbertha Den Rooijen (1898-????)".
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