The temperature on September 9, 1920 was between 5.7 °C and 19.7 °C and averaged 12.6 °C. There was 0.2 mm of rain. There was 8.3 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
November 15 » The Free City of Danzig is established.
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
Day of death April 29, 1981
The temperature on April 29, 1981 was between 6.6 °C and 12.6 °C and averaged 9.6 °C. There was 0.6 mm of rain during 2.6 hours. There was 1.3 hours of sunshine (9%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 2 » One of the largest investigations by a British police force ends when serial killer Peter Sutcliffe, the "Yorkshire Ripper", is arrested in Sheffield, South Yorkshire.
April 3 » The Osborne 1, the first successful portable computer, is unveiled at the West Coast Computer Faire in San Francisco.
July 27 » While landing at Chihuahua International Airport, Aeromexico Flight 230 overshoots the runway. Thirty-two of the 66 passengers and crew on board the DC-9 are killed.
September 18 » The Assemblée Nationale votes to abolish capital punishment in France.
November 25 » Pope John Paul II appoints Joseph Cardinal Ratzinger (the future Pope Benedict XVI) Prefect of the Congregation for the Doctrine of the Faith.
December 4 » South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).
When copying data from this family tree, please include a reference to the origin: Aad van Helden, "Family tree Van Helden", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-helden/I28.php : accessed January 30, 2026), "Cornelia Maria ROOS (1920-1981)".
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