The temperature on June 20, 1923 was between 6.3 °C and 14.1 °C and averaged 10.5 °C. There was 0.2 mm of rain. There was 0.7 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
February 10 » Texas Tech University is founded as Texas Technological College in Lubbock, Texas
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
June 9 » Bulgaria's military takes over the government in a coup.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 29 » The First American Track & Field championships for women are held.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
Day of death January 13, 1980
The temperature on January 13, 1980 was between -10.0 °C and -1.8 °C and averaged -7.0 °C. There was 6.9 hours of sunshine (85%). The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
May 18 » Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
July 1 » "O Canada" officially becomes the national anthem of Canada.
July 29 » Iran adopts a new "holy" flag after the Islamic Revolution.
September 17 » Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay.
October 10 » The 7.1 Mw El Asnam earthquake shakes northern Algeria, killing 2,633 and injuring 8,369.
October 29 » Demonstration flight of a secretly modified C-130 for an Iran hostage crisis rescue attempt ends in crash landing at Eglin Air Force Base's Duke Field, Florida leading to cancellation of Operation Credible Sport.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I7557.php : accessed March 6, 2026), "Jan Doppenberg (1923-1980)".
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