The temperature on November 12, 1895 was about 6.6 °C. There was 5 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of marriage January 12, 1921
The temperature on January 12, 1921 was between 5.5 °C and 9.0 °C and averaged 7.2 °C. There was 6.3 mm of rain. There was 3.7 hours of sunshine (46%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death December 17, 1950
The temperature on December 17, 1950 was between -4.2 °C and 0.9 °C and averaged -1.4 °C. There was 1.9 mm of rain during 6.9 hours. There was 2.1 hours of sunshine (27%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 17 » United Nations Security Council Resolution 79 relating to arms control is adopted.
January 23 » The Knesset resolves that Jerusalem is the capital of Israel.
July 24 » Cape Canaveral Air Force Station begins operations with the launch of a Bumper rocket.
September 3 » "Nino" Farina becomes the first Formula One Drivers' champion after winning the 1950 Italian Grand Prix.
October 16 » The Lion, the Witch and the Wardrobe by C.S. Lewis is published.
November 25 » The Great Appalachian Storm of November 1950 impacts 22 American states, killing 353 people, injuring over 160, and causing US$66.7 million in damages (1950 dollars).
Day of burial December 21, 1950
The temperature on December 21, 1950 was between -3.3 °C and 0.8 °C and averaged -0.2 °C. There was 0.2 mm of rain during 0.8 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 21 » American lawyer and government official Alger Hiss is convicted of perjury.
May 9 » Robert Schuman presents his proposal on the creation of an organized Europe, which according to him was indispensable to the maintenance of peaceful relations. This proposal, known as the "Schuman Declaration", is considered by some people to be the beginning of the creation of what is now the European Union.
August 29 » Korean War: British troops arrive in Korea to bolster the US presence there.
September 15 » Korean War: The U.S. X Corps lands at Inchon.
November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
December 9 » Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
Check the information Open Archives has about Koopmann.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Koopmann.
The Family tree Dovermann publication was prepared by Chir Dovermann (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Chir Dovermann, "Family tree Dovermann", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dovermann/I21.php : accessed January 9, 2026), "Anton Koopmann (1895-1950)".
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.