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.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
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.
January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
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 13 » British submarine HMSTruculent collides with an oil tanker in the Thames Estuary, killing 64 men.
January 23 » The Knesset resolves that Jerusalem is the capital of Israel.
May 13 » The first round of the Formula One World Championship is held at Silverstone.
June 3 » Herzog and Lachenal of the French Annapurna expedition become the first climbers to reach the summit of an 8,000-metre peak.
July 16 » Chaplain–Medic massacre: American POWs are massacred by North Korean Army.
September 15 » Korean War: The U.S. X Corps lands at Inchon.
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 17 » United Nations Security Council Resolution 79 relating to arms control is adopted.
June 24 » Apartheid: In South Africa, the Group Areas Act is passed, formally segregating races.
September 23 » Korean War: The Battle of Hill 282 is the first US friendly-fire incident on British military personnel since World War II.
November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
November 13 » General Carlos Delgado Chalbaud, President of Venezuela, is assassinated in Caracas.
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).
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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 4, 2026), "Anton Koopmann (1895-1950)".
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