January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
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.
January 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
January 26 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
February 21 » The last Carolina parakeet dies in captivity at the Cincinnati Zoo.
March 23 » First World War: On the third day of the German Spring Offensive, the 10th Battalion of the Royal West Kent Regiment is annihilated with many of the men becoming prisoners of war
May 26 » The Democratic Republic of Georgia is established.
July 12 » The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621.
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.
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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