February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
Day of marriage May 18, 1918
The temperature on May 18, 1918 was between 11.7 °C and 26.0 °C and averaged 18.6 °C. There was 12.1 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 8 » U.S. President Woodrow Wilson announces his "Fourteen Points" for the aftermath of World War I.
October 30 » World War I: Lands of the Crown of Saint Stephen, a state union of Kingdom of Hungary and Triune Kingdom of Croatia, Slavonia and Dalmatia is abolished with decisions of Croatian and Hungarian parliaments
November 18 » Latvia declares its independence from Russia.
December 1 » Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
December 16 » Vincas Mickevičius-Kapsukas declares the formation of the Lithuanian Soviet Socialist Republic; it is dissolved in 1919.
December 27 » The Great Poland Uprising against the Germans begins.
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/I108664.php : accessed October 10, 2026), "Pieter Witteveen (1896-????)".
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