March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage August 20, 1921
The temperature on August 20, 1921 was between 13.0 °C and 26.2 °C and averaged 19.5 °C. There was 1.3 mm of rain. There was 6.6 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 29 » The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death July 13, 1979
The temperature on July 13, 1979 was between 11.6 °C and 22.5 °C and averaged 16.1 °C. There was 0.3 mm of rain during 0.3 hours. There was 2.0 hours of sunshine (12%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
March 25 » The first fully functional Space Shuttle orbiter, Columbia, is delivered to the John F. Kennedy Space Center to be prepared for its first launch.
May 28 » Konstantinos Karamanlis signs the full treaty of the accession of Greece with the European Economic Community.
June 2 » Pope John Paul II starts his first official visit to his native Poland, becoming the first Pope to visit a Communist country.
July 11 » America's first space station, Skylab, is destroyed as it re-enters the Earth's atmosphere over the Indian Ocean.
October 17 » The Department of Education Organization Act creates the US Department of Education.
October 27 » Saint Vincent and the Grenadines gains its independence from the United Kingdom.
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/I54570.php : accessed February 17, 2026), "Roelfien Scheper (1902-1979)".
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