The temperature on September 4, 1920 was between 11.7 °C and 17.5 °C and averaged 14.3 °C. There was 3.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
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.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of marriage July 6, 1945
The temperature on July 6, 1945 was between 13.9 °C and 21.1 °C and averaged 17.0 °C. There was 10.5 mm of rain during 2.0 hours. There was 2.1 hours of sunshine (13%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 5 » The Soviet Union recognizes the new pro-Soviet Provisional Government of the Republic of Poland.
March 22 » World War II: The city of Hildesheim, Germany heavily damaged in a British air raid, though it had little military significance and Germany was on the verge of final defeat.
April 29 » The Italian commune of Fornovo di Taro is liberated from German forces by Brazilian forces.
June 29 » The Soviet Union annexes the Czechoslovak province of Carpathian Ruthenia.
July 30 » World War II: Japanese submarineI-58 sinks the USSIndianapolis, killing 883 seamen. Most die during the following four days, until an aircraft notices the survivors.
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/I140409.php : accessed February 10, 2026), "Jan Douma (1920-)".
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