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 9 » Members of the Viet Nam Quoc Dan Dang assassinated the labor recruiter Bazin, prompting a crackdown by French colonial authorities.
April 8 » Indian independence movement: At the Delhi Central Assembly, Bhagat Singh and Batukeshwar Dutt throw handouts and bombs to court arrest.
June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
October 7 » Photius II becomes Ecumenical Patriarch of Constantinople.
November 7 » In New York City, the Museum of Modern Art opens to the public.
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 18 » The European Court of Human Rights finds the United Kingdom's government guilty of mistreating prisoners in Northern Ireland, but not guilty of torture.
March 11 » Coastal Road massacre: At least 37 are killed and more than 70 are wounded when Fatah hijack an Israeli bus, prompting Israel's Operation Litani.
April 7 » Development of the neutron bomb is canceled by President Jimmy Carter.
April 14 » Tbilisi Demonstrations: Thousands of Georgians demonstrate against Soviet attempts to change the constitutional status of the Georgian language.
May 8 » The first ascent of Mount Everest without supplemental oxygen, by Reinhold Messner and Peter Habeler.
September 17 » The Camp David Accords are signed by Israel and Egypt.
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 February 11, 2026), "Jan Kommer (1929-1978)".
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