The temperature on November 13, 1920 was between 0.5 °C and 6.7 °C and averaged 3.4 °C. There was 1.9 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
January 16 » The League of Nations holds its first council meeting in Paris, France.
January 26 » Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer.
February 29 » Czechoslovak National Assembly adopts the Constitution.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
Day of death December 7, 1961
The temperature on December 7, 1961 was between -1.1 °C and 3.6 °C and averaged 0.8 °C. There was 1.3 mm of rain during 0.3 hours. There was 4.7 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 25 » In Washington, D.C., President John F. Kennedy delivers the first live presidential television news conference.
April 27 » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.
May 5 » Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.
May 30 » The long-time Dominican dictator Rafael Trujillo is assassinated in Santo Domingo, Dominican Republic.
July 20 » French military forces break the Tunisian siege of Bizerte.
August 1 » U.S. Defense Secretary Robert McNamara orders the creation of the Defense Intelligence Agency (DIA), the nation's first centralized military espionage organization.
Day of burial December 11, 1961
The temperature on December 11, 1961 was between 8.7 °C and 13.9 °C and averaged 11.9 °C. There was 3.7 mm of rain during 2.0 hours. There was 0.3 hours of sunshine (4%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
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.
July 19 » Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.
September 28 » A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
When copying data from this family tree, please include a reference to the origin: Yvonne Luberti, "Family tree Trebert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-trebert/I121.php : accessed February 21, 2026), "Derk Langenkamp (1920-1961)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.