February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
August 3 » The Firestone Tire and Rubber Company is founded.
Day of marriage April 13, 1918
The temperature on April 13, 1918 was between 5.4 °C and 7.7 °C and averaged 6.6 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
November 3 » Austria-Hungary enters into the Armistice of Villa Giusti with the Allies, and the Habsburg-ruled empire dissolves.
November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
December 1 » Transylvania unites with Romania, following the incorporation of Bessarabia (March 27) and Bukovina (November 28), thus concluding the Great Union.
December 14 » Portuguese President Sidónio Pais is assassinated.
Day of death November 20, 1918
The temperature on November 20, 1918 was between -1.6 °C and 6.9 °C and averaged 1.8 °C. There was 0.8 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) 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.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
July 12 » The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
November 12 » Austria becomes a republic. After the proclamation, a coup attempt by the communist Red Guard is defeated by the social-democratic Volkswehr.
November 14 » Czechoslovakia becomes a republic.
December 28 » Constance Markievicz, while detained in Holloway prison, became the first woman to be elected MP to the British House of Commons.
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/I2217.php : accessed October 7, 2026), "Albertje Jongsma (1900-1918)".
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