The temperature on February 28, 1910 was between -1.4 °C and 7.2 °C and averaged 3.3 °C. There was 2.2 hours of sunshine (20%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
Day of marriage August 17, 1937
The temperature on August 17, 1937 was between 12.2 °C and 21.0 °C and averaged 16.4 °C. There was 1.3 mm of rain during 1.8 hours. There was 1.1 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
February 16 » Wallace H. Carothers receives a United States patent for nylon.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
Day of death December 30, 1996
The temperature on December 30, 1996 was between -5.7 °C and 0.3 °C and averaged -1.2 °C. There was -0.1 mm of rain. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
June 10 » Peace talks begin in Northern Ireland without the participation of Sinn Féin.
July 25 » In a military coup in Burundi, Pierre Buyoya deposes Sylvestre Ntibantunganya.
September 27 » Confusion on a tanker ship results in the Julie N. oil spill in Portland, Maine.
November 5 » Pakistani President Farooq Leghari dismisses the government of Prime Minister Benazir Bhutto and dissolves the National Assembly of Pakistan.
November 21 » Humberto Vidal explosion: Thirty-three people die when a Humberto Vidal shoe shop in Río Piedras, Puerto Rico explodes.
December 10 » The new Constitution of South Africa is promulgated by Nelson Mandela.
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/I118385.php : accessed October 15, 2026), "Pieter de Groot (1910-1996)".
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