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.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
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.
Day of death April 15, 1942
The temperature on April 15, 1942 was between 1.1 °C and 13.7 °C and averaged 7.7 °C. There was 12.9 hours of sunshine (93%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 8 » World War II: Dutch Colonial Army General Destruction Unit (AVC, Algemene Vernielings Corps) burns Banjarmasin, South Borneo to avoid Japanese capture.
February 20 » Lieutenant Edward O'Hare becomes America's first World War II flying ace.
May 26 » World War II: The Battle of Gazala takes place.
July 16 » Holocaust: Vel' d'Hiv Roundup (Rafle du Vel' d'Hiv): The government of Vichy France orders the mass arrest of 13,152 Jews who are held at the Vélodrome d'Hiver in Paris before deportation to Auschwitz.
November 22 » World War II: Battle of Stalingrad: General Friedrich Paulus sends Adolf Hitler a telegram saying that the German 6th Army is surrounded.
December 24 » World War II: French monarchist, Fernand Bonnier de La Chapelle, assassinates Vichy French Admiral François Darlan in Algiers, Algeria.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I112194.php : accessed October 25, 2026), "Wytske "Winnie" Bijleveld (1897-1942)".
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