The temperature on July 15, 1912 was between 14.9 °C and 27.4 °C and averaged 21.6 °C. There was 12.1 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
Day of death February 4, 1919
The temperature on February 4, 1919 was between -4.8 °C and 1.3 °C and averaged -0.6 °C. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
March 2 » The first Communist International meets in Moscow.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
December 1 » Lady Astor becomes the first female Member of Parliament to take her seat in the House of Commons of the United Kingdom. (She had been elected to that position on November 28.)
December 21 » American anarchist Emma Goldman is deported to Russia.
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/I167426.php : accessed October 24, 2026), "Jasper Zijlstra (1912-1919)".
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