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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
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.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death February 23, 1983
The temperature on February 23, 1983 was between -4.7 °C and 5.3 °C and averaged 0.1 °C. There was 9.3 hours of sunshine (89%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 12 » One hundred women protest in Lahore, Pakistan against military dictator Zia-ul-Haq's proposed Law of Evidence. The women were tear-gassed, baton-charged and thrown into lock-up. The women were successful in repealing the law.
February 23 » The United States Environmental Protection Agency announces its intent to buy out and evacuate the dioxin-contaminated community of Times Beach, Missouri.
February 28 » The final episode of M*A*S*H airs, with almost 106 million viewers. It still holds the record for the highest viewership of a season finale.
March 1 » First collection of twelve Swatch models was introduced in Zürich, Switzerland.
April 7 » During STS-6, astronauts Story Musgrave and Don Peterson perform the first Space Shuttle spacewalk.
August 21 » Philippine opposition leader Benigno Aquino, Jr. is assassinated at the Manila International Airport (now renamed Ninoy Aquino International Airport in his 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/I133135.php : accessed October 21, 2026), "Henry Postma (1897-1983)".
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