May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
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.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
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 4 » The Finnish Declaration of Independence is recognized by Russia, Sweden, Germany and France.
February 16 » The Council of Lithuania unanimously adopts the Act of Independence, declaring Lithuania an independent state.
March 31 » Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
April 1 » The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
October 9 » The Finnish Parliament offers to Prince Frederick Charles of Hesse the throne of a short-lived Kingdom of Finland.
November 27 » The Free Territory of Ukraine is established in Huliaipole.
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.
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 25 » German forces capture Tallinn to virtually complete the occupation of Estonia.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
August 21 » World War I: The Second Battle of the Somme begins.
November 23 » Heber J. Grant succeeds Joseph F. Smith as the seventh president of The Church of Jesus Christ of Latter-day Saints.
December 14 » Portuguese President Sidónio Pais is assassinated.
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 3, 2026), "Albertje Jongsma (1900-1918)".
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