The temperature on July 9, 1920 was between 8.7 °C and 19.3 °C and averaged 14.5 °C. There was 7.2 hours of sunshine (44%). The average windspeed was 3 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.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
April 23 » The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.
Day of death April 29, 1921
The temperature on April 29, 1921 was between 5.8 °C and 18.4 °C and averaged 12.6 °C. There was 12.2 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
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/I188697.php : accessed December 26, 2025), "Jan Hielema (1920-1921)".
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