April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage July 20, 1923
The temperature on July 20, 1923 was between 13.5 °C and 21.6 °C and averaged 17.4 °C. There was 0.1 mm of rain. There was 1.9 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
January 11 » Occupation of the Ruhr: Troops from France and Belgium occupy the Ruhr area to force Germany to make its World War I reparation payments.
February 10 » Texas Tech University is founded as Texas Technological College in Lubbock, Texas
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
October 16 » The Walt Disney Company is founded.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
Day of death February 1, 1968
The temperature on February 1, 1968 was between 2.7 °C and 6.0 °C and averaged 4.0 °C. There was 1.1 mm of rain during 2.9 hours. There was 1.2 hours of sunshine (13%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 17 » In Springfield, Massachusetts, the Naismith Memorial Basketball Hall of Fame opens.
March 18 » Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency.
August 22 » Pope Paul VI arrives in Bogotá, Colombia. It is the first visit of a pope to Latin America.
October 31 » Vietnam War October surprise: Citing progress with the Paris peace talks, US President Lyndon B. Johnson announces to the nation that he has ordered a complete cessation of "all air, naval, and artillery bombardment of North Vietnam" effective November 1.
November 17 » British European Airways introduces the BAC One-Eleven into commercial service.
December 22 » Cultural Revolution: People's Daily posted the instructions of Mao Zedong that "The intellectual youth must go to the country, and will be educated from living in rural poverty."
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I425822.php : accessed February 26, 2026), "Jantje Dogger (1902-1968)".
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