January 31 » Czechoslav Trade Union Association is founded in Prague.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
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).
Day of death September 19, 1967
The temperature on September 19, 1967 was between 8.3 °C and 15.3 °C and averaged 11.8 °C. There was 5.3 mm of rain during 2.7 hours. There was 0.4 hours of sunshine (3%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 23 » Milton Keynes (England) is founded as a new town by Order in Council, with a planning brief to become a city of 250,000 people. Its initial designated area enclosed three existing towns and twenty one villages. The area to be developed was largely farmland, with evidence of continuous settlement dating back to the Bronze Age.
April 14 » Gnassingbé Eyadéma overthrows President of Togo Nicolas Grunitzky and installs himself as the new president, a title he would hold for the next 38 years.
April 24 » Cosmonaut Vladimir Komarov dies in Soyuz 1 when its parachute fails to open. He is the first human to die during a space mission.
June 12 » The United States Supreme Court in Loving v. Virginia declares all U.S. state laws which prohibit interracial marriage to be unconstitutional.
June 23 » Cold War: U.S. President Lyndon B. Johnson meets with Soviet Premier Alexei Kosygin in Glassboro, New Jersey for the three-day Glassboro Summit Conference.
September 3 » Dagen H in Sweden: Traffic changes from driving on the left to driving on the right overnight.
When copying data from this family tree, please include a reference to the origin: Johan Vanoplynes, "Family tree Vanoplynes", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vanoplynes/I578043.php : accessed March 1, 2026), "Benedictus Ledoux (1897-1967)".
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