The temperature on April 20, 1918 was between -3.6 °C and 9.8 °C and averaged 3.5 °C. There was 7.7 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
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.
September 26 » World War I: The Meuse-Argonne Offensive began which would last until the total surrender of German forces.
November 13 » World War I: Allied troops occupy Constantinople, the capital of the Ottoman Empire.
November 21 » The Parliament (Qualification of Women) Act 1918 is passed, allowing women to stand for Parliament in the UK.
Day of death April 23, 1983
The temperature on April 23, 1983 was between 8.1 °C and 16.6 °C and averaged 11.6 °C. There was 3.9 mm of rain during 3.4 hours. There was 4.4 hours of sunshine (31%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 24 » A special commission of the United States Congress condemns the Japanese American internment during World War II.
July 21 » The world's lowest temperature in an inhabited location is recorded at Vostok Station, Antarctica at −89.2°C (−128.6°F).
September 1 » Cold War: Korean Air Lines Flight 007 is shot down by a Soviet Union jet fighter when the commercial aircraft enters Soviet airspace, killing all 269 on board, including Congressman Lawrence McDonald.
September 12 » A Wells Fargo depot in West Hartford, Connecticut, United States, is robbed of approximately US$7 million by Los Macheteros.
September 17 » Vanessa Williams becomes the first black Miss America.
November 5 » Byford Dolphin diving bell accident kills five and leaves one severely injured.
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/I291325.php : accessed February 27, 2026), "Jan Kuper (1918-1983)".
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