The temperature on August 23, 1918 was between 13.0 °C and 21.4 °C and averaged 17.4 °C. There was 6.6 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 29 » Ukrainian–Soviet War: An armed uprising organized by the Bolsheviks in anticipation of the encroaching Red Army begins at the Kiev Arsenal, which will be put down six days later.
March 16 » Finnish Civil War: Battle of Länkipohja is infamous for its bloody aftermath as the Whites executed 70–100 capitulated Reds.
March 27 » The National Council of Bessarabia proclaims union with the Kingdom of Romania.
July 12 » The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
November 21 » The Flag of Estonia, previously used by pro-independence activists, is formally adopted as the national flag of the Republic of Estonia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I353131.php : accessed January 30, 2026), "Tjark de Groot (1918-< 2017)".
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