The temperature on February 22, 1920 was between -1.0 °C and 7.5 °C and averaged 3.8 °C. There was 8.2 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
Day of death March 29, 1985
The temperature on March 29, 1985 was between 4.9 °C and 8.1 °C and averaged 6.6 °C. There was 0.1 mm of rain during 0.3 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 13 » A passenger train plunges into a ravine in Ethiopia, killing 428 in the worst railroad disaster in Africa.
March 11 » Mikhail Gorbachev is elected to the position of General Secretary of the Communist Party of the Soviet Union making Gorbachev the USSR's de facto, and last, head of state.
May 25 » Bangladesh is hit by a tropical cyclone and storm surge, which kills approximately 10,000 people.
September 4 » The discovery of Buckminsterfullerene, the first fullerene molecule of carbon.
October 7 » The Mameyes landslide kills almost 200 people in Puerto Rico.
December 8 » The South Asian Association for Regional Cooperation, the regional intergovernmental organization and geopolitical union in South Asia is established.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I174038.php : accessed January 7, 2026), "Jacob Helder (1920-1985)".
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