Archief Delft, BS Overlijden Archief van de burgerlijke stand van Delft Delft, archief 0015, inventarisnummer 00647 Register van overlijdensakten, 1929 aktenummer 182
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 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
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 30 » The British Colony of Natal annexes Zululand.
Day of death March 14, 1929
The temperature on March 14, 1929 was between -1.1 °C and 0.8 °C and averaged -0.2 °C. There was 0.4 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 11 » Kingdom of Italy and the Vatican sign the Lateran Treaty.
May 1 » The 7.2 Mw Kopet Dag earthquake shakes the Iran–Turkmenistan border region with a maximum Mercalli intensity of IX (Violent), killing up to 3,800 and injuring 1,121.
June 8 » Margaret Bondfield is appointed Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
September 7 » Steamer Kuru capsizes and sinks on Lake Näsijärvi near Tampere in Finland. One hundred thirty-six lives are lost.
October 3 » The Kingdom of Serbs, Croats and Slovenes is renamed to Yugoslavia by King Alexander I.
When copying data from this family tree, please include a reference to the origin: R. Steenbergen, "Family tree Steenbergen, van Kimmenaede, de Smit and Lensen", database, Genealogy Online (https://www.genealogieonline.nl/steenbergen-stamboom/I5127.php : accessed March 1, 2026), "Jan Gerardus Wijntjes (1897-1929)".
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