July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio 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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death April 14, 1954
The temperature on April 14, 1954 was between 4.0 °C and 11.5 °C and averaged 8.8 °C. There was 0.8 mm of rain during 1.5 hours. There was 4.1 hours of sunshine (30%). The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
February 23 » The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
March 13 » The Battle of Điện Biên Phủ begins with an artillery barrage by Viet Minh forces under Võ Nguyên Giáp; Viet Minh victory lead to the end of the First Indochina War and French withdrawal from Vietnam.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
June 12 » Pope Pius XII canonises Dominic Savio, who was 14 years old at the time of his death, as a saint, making him at the time the youngest unmartyred saint in the Roman Catholic Church. In 2017, Francisco and Jacinta Marto, aged ten and nine at the time of their deaths, are declared saints.
July 5 » The BBC broadcasts its first television news bulletin.
October 11 » In accord with the 1954 Geneva Conference, French troops complete their withdrawal from North Vietnam.
When copying data from this family tree, please include a reference to the origin: L. Vlastra, "Family tree Vlastra", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vlastra/I18529.php : accessed May 22, 2024), "Andries van Heerde (1897-1954)".
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