The temperature on September 14, 1923 was between 11.2 °C and 20.2 °C and averaged 15.6 °C. There was 3.6 hours of sunshine (28%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
August 18 » First British Track and Field championships for women, London.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
September 29 » The First American Track & Field championships for women are held.
Day of death August 20, 1931
The temperature on August 20, 1931 was between 12.5 °C and 20.1 °C and averaged 15.7 °C. There was 10.1 hours of sunshine (70%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 13 » The British Raj completes its transfer from Calcutta to New Delhi.
March 19 » Gambling is legalized in Nevada.
March 23 » Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for the killing of a deputy superintendent of police during the Indian independence movement.
March 31 » A Transcontinental & Western Air airliner crashes near Bazaar, Kansas, killing eight, including University of Notre Dame head football coach Knute Rockne.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
August 24 » Resignation of the United Kingdom's Second Labour Government. Formation of the UK National Government.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3233.php : accessed March 5, 2026), "Anna Helena Hettinga (1923-1931)".
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