January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
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.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
August 22 » Cadillac Motor Company is founded.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death May 31, 1970
The temperature on May 31, 1970 was between 10.8 °C and 16.6 °C and averaged 13.9 °C. There was 0.4 mm of rain during 0.6 hours. There was 9.4 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
June 4 » Tonga gains independence from the United Kingdom.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
October 12 » Vietnam War: Vietnamization continues as President Nixon announces that the United States will withdraw 40,000 more troops before Christmas.
November 18 » U.S. President Richard Nixon asks the U.S. Congress for $155 million in supplemental aid for the Cambodian government.
December 17 » Polish protests: In Gdynia, soldiers fire at workers emerging from trains, killing dozens.
When copying data from this family tree, please include a reference to the origin: Agatha Jacoba Maria Lindeboom-Kleef, "Family tree Kleef, Reus, Lindeboom,Quax", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kleef/I6595.php : accessed March 1, 2026), "Maria Margaretha Meijer (1902-1970)".
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