The temperature on April 21, 1920 was between 1.7 °C and 9.9 °C and averaged 7.2 °C. There was 3.9 mm of rain. There was 1.5 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I4679.php : accessed January 27, 2026), "Maria Johanna Onkenhout (± 1900-)".
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