January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 6 » Real Madrid CF is founded.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of marriage June 18, 1925
The temperature on June 18, 1925 was between 4.7 °C and 16.3 °C and averaged 11.5 °C. There was 0.9 mm of rain. There was 5.7 hours of sunshine (34%). 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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
April 26 » Paul von Hindenburg defeats Wilhelm Marx in the second round of the German presidential election to become the first directly elected head of state of the Weimar Republic.
July 21 » Malcolm Campbell becomes the first man to exceed 150mph (241km/h) on land. At Pendine Sands in Wales, he drives Sunbeam 350HP built by Sunbeam at a two-way average speed of 150.33mph (242km/h).
August 9 » A train robbery takes place in Kakori, near Lucknow, India.
November 5 » Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.
November 28 » The Grand Ole Opry begins broadcasting in Nashville, Tennessee, as the WSM Barn Dance.
December 11 » Roman Catholic papal encyclical Quas primas introduces the Feast of Christ the King.
Day of death May 23, 1950
The temperature on May 23, 1950 was between 6.4 °C and 21.0 °C and averaged 14.5 °C. There was 11.7 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
February 9 » Second Red Scare: US Senator Joseph McCarthy accuses the United States Department of State of being filled with Communists.
April 8 » India and Pakistan sign the Liaquat–Nehru Pact.
July 16 » Chaplain–Medic massacre: American POWs are massacred by North Korean Army.
August 1 » Guam is organized as a United States commonwealth as the President Harry S. Truman signs the Guam Organic Act.
October 19 » China defeats the Tibetan Army at Chambo.
November 21 » Two Canadian National Railway trains collide in northeastern British Columbia in the Canoe River train crash; the death toll is 21, with 17 of them Canadian troops bound for Korea.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I41598.php : accessed February 17, 2026), "Arendina Aldersma (1902-1950)".
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