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 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
December 30 » The British Colony of Natal annexes Zululand.
Day of death October 23, 1965
The temperature on October 23, 1965 was between -0.1 °C and 12.1 °C and averaged 5.1 °C. There was 0.1 mm of rain. There was 8.2 hours of sunshine (80%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 8 » Thirty-five hundred United States Marines are the first American land combat forces committed during the Vietnam War.
April 28 » United States occupation of the Dominican Republic: American troops land in the Dominican Republic to "forestall establishment of a Communist dictatorship" and to evacuate U.S. Army troops.
November 16 » Venera program: The Soviet Union launches the Venera 3 space probe toward Venus, which will be the first spacecraft to reach the surface of another planet.
December 9 » Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; witnesses report something crashing in the woods near Pittsburgh.
December 15 » Project Gemini: Gemini 6A, crewed by Wally Schirra and Thomas Stafford, is launched from Cape Kennedy, Florida. Four orbits later, it achieves the first space rendezvous, with Gemini 7.
December 30 » Ferdinand Marcos becomes President of the Philippines.
When copying data from this family tree, please include a reference to the origin: Jos Arnoldus, "Family tree Arnoldus", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-arnoldus/I27.php : accessed January 29, 2026), "Johannes "Johan" Smeijer (1897-1965)".
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