The temperature on September 15, 1920 was between 7.0 °C and 15.2 °C and averaged 12.9 °C. There was 2.6 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
Day of death September 9, 1997
The temperature on September 9, 1997 was between 10.5 °C and 18.5 °C and averaged 15.2 °C. There was 4.0 hours of sunshine (30%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
February 28 » GRB 970228, a highly luminous flash of gamma rays, strikes the Earth for 80 seconds, providing early evidence that gamma-ray bursts occur well beyond the Milky Way.
March 13 » The Missionaries of Charity choose Sister Nirmala to succeed Mother Teresa as their leader.
March 26 » Thirty-nine bodies are found in the Heaven's Gate mass suicides.
July 19 » The Troubles: The Provisional Irish Republican Army resumes a ceasefire to end their 25-year paramilitary campaign to end British rule in Northern Ireland.
August 31 » Diana, Princess of Wales, her companion Dodi Fayed and driver Henri Paul die in a car crash in Paris.
September 3 » Vietnam Airlines Flight 815 (Tupolev Tu-134) crashes on approach into Phnom Penh airport, killing 64.
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/I211247.php : accessed January 3, 2026), "Etje Groenewoud (1920-1997)".
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