The temperature on August 9, 1931 was between 9.2 °C and 17.3 °C and averaged 13.3 °C. There was 2.3 mm of rain during 1.4 hours. There was 6.2 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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.
March 11 » Ready for Labour and Defence of the USSR, abbreviated as GTO, is introduced in the Soviet Union.
May 1 » The Empire State Building is dedicated in New York City.
July 1 » United Airlines begins service (as Boeing Air Transport).
August 24 » France and the Soviet Union sign a neutrality pact.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
Day of death January 18, 1953
The temperature on January 18, 1953 was between -0.7 °C and 5.1 °C and averaged 2.6 °C. There was 0.1 mm of rain during 0.5 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
August 10 » First Indochina War: The French Union withdraws its forces from Operation Camargue against the Viet Minh in central Vietnam.
November 9 » Cambodia gains independence from France.
November 17 » The remaining human inhabitants of the Blasket Islands, Kerry, Ireland, are evacuated to the mainland.
December 6 » Vladimir Nabokov completes his controversial novel Lolita.
December 24 » Tangiwai disaster: In New Zealand's North Island, at Tangiwai, a railway bridge is damaged by a lahar and collapses beneath a passenger train, killing 151 people.
Day of burial January 22, 1953
The temperature on January 22, 1953 was between 3.7 °C and 5.8 °C and averaged 4.5 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 13 » An article appears in Pravda accusing some of the most prestigious and prominent doctors, mostly Jews, in the Soviet Union of taking part in a vast plot to poison members of the top Soviet political and military leadership.
March 1 » Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
August 12 » The 7.2 Ms Ionian earthquake shakes the southern Ionian Islands with a maximum Mercalli intensity of X (Extreme). Between 445 and 800 people are killed.
September 13 » Nikita Khrushchev is appointed General Secretary of the Communist Party of the Soviet Union.
October 1 » Andhra State is formed, consisting of a Telugu-speaking area carved out of India's Madras State.
November 17 » The remaining human inhabitants of the Blasket Islands, Kerry, Ireland, are evacuated to the mainland.
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/I59.php : accessed January 1, 2026), "Ton Koopmann (1931-1953)".
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.