April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of marriage October 20, 1921
The temperature on October 20, 1921 was between 11.9 °C and 17.9 °C and averaged 14.0 °C. There was 0.7 mm of rain. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
March 17 » The Second Polish Republic adopts the March Constitution.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
Day of death August 4, 1953
The temperature on August 4, 1953 was between 6.8 °C and 22.2 °C and averaged 16.1 °C. There was 0.1 mm of rain during 0.2 hours. There was 7.0 hours of sunshine (46%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 5 » The play Waiting for Godot by Samuel Beckett receives its première in Paris.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
March 1 » Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
March 3 » A De Havilland Comet (Canadian Pacific Air Lines) crashes in Karachi, Pakistan, killing 11.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
November 30 » Edward Mutesa II, the kabaka (king) of Buganda is deposed and exiled to London by Sir Andrew Cohen, Governor of Uganda.
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/I108418.php : accessed October 18, 2026), "Gabe Postma (1895-1953)".
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