April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
August 13 » Spanish–American War: Spanish and American forces engage in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
Day of death April 23, 1918
The temperature on April 23, 1918 was between 4.5 °C and 15.0 °C and averaged 9.4 °C. There was 5.1 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 31 » A series of accidental collisions on a misty Scottish night leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships.
February 1 » Russia adopts the Gregorian calendar.
March 31 » Daylight saving time goes into effect in the United States for the first time.
April 9 » World War I: The Battle of the Lys: The Portuguese Expeditionary Corps is crushed by the German forces during what is called the Spring Offensive on the Belgian region of Flanders.
November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
November 10 » The Western Union Cable Office in North Sydney, Nova Scotia, receives a top-secret coded message from Europe (that would be sent to Ottawa and Washington, D.C.) that said on November 11, 1918, all fighting would cease on land, sea and in the air.
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/I109349.php : accessed October 24, 2026), "Minne Folkertsma (1898-1918)".
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