The temperature on January 30, 1918 was between -2.6 °C and 7.8 °C and averaged 1.0 °C. There was 0.1 mm of rain. There was 6.4 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
February 1 » Russia adopts the Gregorian calendar.
April 1 » The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
August 21 » World War I: The Second Battle of the Somme begins.
October 4 » World War I: An explosion kills more than 100 people and destroys a Shell Loading Plant in New Jersey.
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 21 » A pogrom takes place in Lwów (now Lviv); over three days, at least 50 Jews and 270 Ukrainian Christians are killed by Poles.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I482149.php : accessed January 22, 2026), "Cornelia Mulder (1918-< 2017)".
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