January 31 » Czechoslav Trade Union Association is founded in Prague.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of burial May 19, 1948
The temperature on May 19, 1948 was between 9.2 °C and 21.2 °C and averaged 15.2 °C. There was 14.6 hours of sunshine (92%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
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 4 » Ceylon (later renamed Sri Lanka) becomes independent within the British Commonwealth.
April 9 » Jorge Eliécer Gaitán's assassination provokes a violent riot in Bogotá (the Bogotazo), and a further ten years of violence in Colombia.
May 30 » A dike along the flooding Columbia River breaks, obliterating Vanport, Oregon within minutes. Fifteen people die and tens of thousands are left homeless.
June 16 » Members of the Malayan Communist Party kill three British plantation managers in Sungai Siput; in response, British Malaya declares a state of emergency.
July 31 » At Idlewild Field in New York, New York International Airport (later renamed John F. Kennedy International Airport) is dedicated.
December 23 » Seven Japanese military and political leaders convicted of war crimes by the International Military Tribunal for the Far East are executed by Allied occupation authorities at Sugamo Prison in Tokyo, Japan.
When copying data from this family tree, please include a reference to the origin: Peter Kuiper, "Family tree Kuiper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kuiper/I291.php : accessed January 28, 2026), "Aaltje Posthumus (1897-????)".
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