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.
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.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death June 28, 1984
The temperature on June 28, 1984 was between 8.2 °C and 15.7 °C and averaged 12.1 °C. There was -0.1 mm of rain. There was 5.3 hours of sunshine (32%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 4 » President Ronald Reagan calls for an international ban on chemical weapons.
May 6 » One hundred three Korean Martyrs are canonized by Pope John Paul II in Seoul.
June 3 » Operation Blue Star, a military offensive, is launched by the Indian government at Harmandir Sahib, also known as the Golden Temple, the holiest shrine for Sikhs, in Amritsar. The operation continues until June 6, with casualties, most of them civilians, in excess of 5,000.
September 26 » The United Kingdom and China agree to a transfer of sovereignty over Hong Kong, to take place in 1997.
November 14 » Zamboanga City mayor Cesar Climaco, a prominent critic of the government of Philippine President Ferdinand Marcos, is assassinated in his home city.
December 4 » Sri Lankan Civil War: Sri Lankan Army soldiers kill 107–150 civilians in Mannar.
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/I112508.php : accessed February 10, 2026), "Markus Venhuizen (1897-1984)".
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