The temperature on July 31, 1920 was between 9.7 °C and 22.3 °C and averaged 16.9 °C. There was 10.1 hours of sunshine (65%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 29 » Czechoslovak National Assembly adopts the Constitution.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death October 17, 1984
The temperature on October 17, 1984 was between 8.1 °C and 15.2 °C and averaged 11.9 °C. There was -0.1 mm of rain. There was 3.0 hours of sunshine (28%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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 1 » The original American Telephone & Telegraph Company is divested of its 22 Bell System companies as a result of the settlement of the 1974 United States Department of Justice antitrust suit against AT&T.
January 10 » Holy See–United States relations: The United States and Holy See (Vatican City) re-establish full diplomatic relations after almost 117 years, overturning the United States Congress's 1867 ban on public funding for such a diplomatic envoy.
June 22 » Virgin Atlantic launches with its first flight from London to Newark.
September 2 » Seven people are shot and killed and 12 wounded in the Milperra massacre, a shootout between the rival motorcycle gangs Bandidos and Comancheros in Sydney, Australia.
October 19 » A Roman Catholic priest, Jerzy Popiełuszko, associated with the Solidarity Union, is killed by three agents of the Polish Communist internal intelligence agency.
December 23 » After experiencing an engine fire, Aeroflot Flight 3519 attempts to make an emergency landing at Krasnoyarsk International Airport but crashes, killing 110 of the 111 people on board.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I63563.php : accessed February 23, 2026), "Derk Welling (1920-1984)".
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