The temperature on April 20, 1929 was between 0.4 °C and 10.4 °C and averaged 6.0 °C. There was 4.3 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 26 » President Calvin Coolidge signs an executive order establishing the 96,000 acre Grand Teton National Park in Wyoming.
May 16 » In Hollywood, the first Academy Awards ceremony takes place.
June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
July 24 » The Kellogg–Briand Pact, renouncing war as an instrument of foreign policy, goes into effect (it is first signed in Paris on August 27, 1928, by most leading world powers).
October 18 » The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.
November 29 » U.S. Admiral Richard E. Byrd leads the first expedition to fly over the South Pole.
Day of death June 18, 1978
The temperature on June 18, 1978 was between 7.1 °C and 21.1 °C and averaged 14.6 °C. There was 14.8 hours of sunshine (88%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 2 » On the orders of the President of Pakistan, Muhammad Zia-ul-Haq, paramilitary forces opened fire on peaceful protesting workers in Multan, Pakistan; it is known as 1978 massacre at Multan Colony Textile Mills.
March 9 » President Soeharto inaugurated Jagorawi Toll Road, the first toll highway in Indonesia, connecting Jakarta, Bogor and Ciawi, West Java.
April 14 » Tbilisi Demonstrations: Thousands of Georgians demonstrate against Soviet attempts to change the constitutional status of the Georgian language.
June 28 » The United States Supreme Court, in Regents of the University of California v. Bakke bars quota systems in college admissions.
July 7 » The Solomon Islands becomes independent from the United Kingdom.
August 13 » One hundred fifty Palestinians in Beirut are killed in a terrorist attack during the second phase of the Lebanese Civil War.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I293.php : accessed December 27, 2025), "Jan Kommer (1929-1978)".
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