The temperature on December 29, 1939 was between -5.1 °C and -0.8 °C and averaged -3.3 °C. There was 4.0 mm of rain during 3.3 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 25 » As part of British air raid precautions, the first of 2.5 million Anderson shelters is constructed in a garden in Islington, north London.
February 28 » The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.
March 23 » The Hungarian air force attacks the headquarters of the Slovak air force in Spišská Nová Ves, killing 13 people and beginning the Slovak–Hungarian War.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
Day of death April 18, 1961
The temperature on April 18, 1961 was between 5.5 °C and 15.2 °C and averaged 10.3 °C. There was 11.7 hours of sunshine (83%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
March 2 » John F. Kennedy announces the creation of the Peace Corps in a nationally televised broadcast.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
May 31 » In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I303.php : accessed January 9, 2026), "Gerrit Jan Colenbrander (1939-1961)".
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