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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage November 4, 1922
The temperature on November 4, 1922 was between 0.7 °C and 8.1 °C and averaged 3.4 °C. There was 4.0 mm of rain. There was 0.9 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
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.
January 11 » First use of insulin to treat diabetes in a human patient.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
June 1 » The Royal Ulster Constabulary is founded.
August 22 » Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War.
September 27 » King Constantine I of Greece abdicates his throne in favor of his eldest son, George II.
October 18 » The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.
Day of death July 24, 1945
The temperature on July 24, 1945 was between 11.7 °C and 24.6 °C and averaged 18.2 °C. There was 9.8 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 17 » World War II: The Vistula–Oder Offensive forces German troops out of Warsaw.
March 29 » World War II: The German 4th Army is almost destroyed by the Soviet Red Army.
April 26 » World War II: Battle of Bautzen: Last successful German tank-offensive of the war and last noteworthy victory of the Wehrmacht.
August 15 » Jewel Voice Broadcast by the Emperor Showa following effective surrender of Japan in the World War II, Korea gains Independence from the Empire of Japan.
September 9 » Second Sino-Japanese War: The Empire of Japan formally surrenders to China.
October 12 » World War II: Desmond Doss is the first conscientious objector to receive the U.S. Medal of Honor.
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/I142635.php : accessed March 1, 2026), "Jan Andries Postmus (1897-1945)".
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