The temperature on July 14, 1921 was between 7.4 °C and 20.4 °C and averaged 14.6 °C. There was 12.6 hours of sunshine (77%). The average windspeed was 3 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.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 31 » The Royal Australian Air Force is formed.
August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
When copying data from this family tree, please include a reference to the origin: John Bart, "Family tree Denneman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-denneman/I866.php : accessed February 15, 2026), "Hendrikus Cornelis de Haas (± 1899-????)".
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