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 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.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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 June 4, 1921
The temperature on June 4, 1921 was between 15.1 °C and 23.7 °C and averaged 19.1 °C. There was 8.5 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death April 25, 1965
The temperature on April 25, 1965 was between 0.9 °C and 10.7 °C and averaged 6.0 °C. There was 6.7 mm of rain during 2.1 hours. There was 2.9 hours of sunshine (20%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
May 18 » Israeli spy Eli Cohen is hanged in Damascus, Syria.
August 9 » Singapore is expelled from Malaysia and becomes the only country to date to gain independence unwillingly.
September 9 » Hurricane Betsy makes its second landfall near New Orleans, leaving 76 dead and $1.42 billion ($10–12 billion in 2005 dollars) in damages, becoming the first hurricane to cause over $1 billion in unadjusted damage.
November 8 » The British Indian Ocean Territory is created, consisting of Chagos Archipelago, Aldabra, Farquhar and Des Roches islands.
November 11 » Southern Rhodesia's Prime Minister Ian Smith unilaterally declares the colony independent as the unrecognised state of Rhodesia
December 4 » The Grateful Dead's first concert performance under this new name.
When copying data from this family tree, please include a reference to the origin: A. Uiterwijk, "Family tree Uiterwijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-uiterwijk/I221.php : accessed February 6, 2026), "Grietje Bouwknegt (1897-1965)".
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