The temperature on December 12, 1922 was between 2.4 °C and 5.3 °C and averaged 3.5 °C. The average windspeed was 4 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.
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.
February 8 » United States President Warren G. Harding introduces the first radio set in the White House.
March 10 » Mahatma Gandhi is arrested in India, tried for sedition, and sentenced to six years in prison, only to be released after nearly two years for an appendicitis operation.
March 20 » The USSLangley is commissioned as the first United States Navy aircraft carrier.
August 30 » Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence").
October 29 » King Victor Emmanuel III of Italy appoints Benito Mussolini as Prime Minister.
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
Day of marriage March 12, 1947
The temperature on March 12, 1947 was between -3.9 °C and -1.2 °C and averaged -2.6 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 23 » International Organization for Standardization is founded.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
August 15 » India gains Independence from British rule after near 190 years of British company and crown rule, and joins the Commonwealth of Nations.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
Day of death August 17, 1985
The temperature on August 17, 1985 was between 9.5 °C and 17.2 °C and averaged 13.5 °C. There was 20.7 mm of rain during 8.0 hours. There was 2.1 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
January 7 » Japan Aerospace Exploration Agency launches Sakigake, Japan's first interplanetary spacecraft and the first deep space probe to be launched by any country other than the United States or the Soviet Union.
March 17 » Serial killer Richard Ramirez, aka the "Night Stalker", commits the first two murders in his Los Angeles murder spree.
July 10 » The Greenpeace vessel Rainbow Warrior is bombed and sunk in Auckland harbour by French DGSE agents, killing Fernando Pereira.
October 10 » US Navy aircraft intercept an Egyptian airliner carrying the perpetrators of the Achille Lauro hijacking, and force it to land in Italy.
December 8 » The South Asian Association for Regional Cooperation, the regional intergovernmental organization and geopolitical union in South Asia is established.
December 12 » Arrow Air Flight 1285, a McDonnell Douglas DC-8, crashes after takeoff in Gander, Newfoundland, killing all 256 people on board, including 236 members of the United States Army's 101st Airborne Division.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I1786.php : accessed February 4, 2026), "Siemen Zandbergen (1922-1985)".
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