February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of marriage December 19, 1918
The temperature on December 19, 1918 was between 0.1 °C and 6.8 °C and averaged 3.8 °C. There was 14.2 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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 24 » The Gregorian calendar is introduced in Russia by decree of the Council of People's Commissars effective February 14 (New Style).
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
June 24 » First airmail service in Canada from Montreal to Toronto.
July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
October 1 » Sayid Abdullah becomes the last Khan of Khiva.
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: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I26211.php : accessed February 18, 2026), "Loog Rouwenhorst (1895-????)".
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