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 6 » London becomes the world's first city to host licensed taxicabs.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage December 20, 1923
The temperature on December 20, 1923 was between -2.3 °C and 2.4 °C and averaged 0.4 °C. There was 0.9 mm of rain. There was 3.2 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 3 » TIME magazine is published for the first time.
April 15 » Insulin becomes generally available for use by people with diabetes.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
September 29 » The First American Track & Field championships for women are held.
October 13 » Ankara becomes the capital of Turkey.
Day of death June 28, 1974
The temperature on June 28, 1974 was between 10.5 °C and 18.4 °C and averaged 14.5 °C. There was -0.1 mm of rain. There was 2.5 hours of sunshine (15%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 29 » Terracotta Army was discovered in Shaanxi province, China.
May 15 » Ma'alot massacre: Members of the Democratic Front for the Liberation of Palestine attack and take hostages at an Israeli school; a total of 31 people are killed, including 22 schoolchildren.
August 1 » Cyprus dispute: The United Nations Security Council authorizes the UNFICYP to create the "Green Line", dividing Cyprus into two zones.
September 8 » Watergate scandal: US President Gerald Ford signs the pardon of Richard Nixon for any crimes Nixon may have committed while in office.
September 18 » Hurricane Fifi strikes Honduras with 110mph winds, killing 5,000 people.
December 13 » Malta becomes a republic within the Commonwealth of Nations.
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/I211832.php : accessed December 29, 2025), "Martinus Vos (1897-1974)".
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