The temperature on February 13, 1920 was between 3.0 °C and 8.7 °C and averaged 6.0 °C. There was 1.6 mm of rain. The average windspeed was 5 Bft (very strong wind) 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 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
Day of death May 9, 1964
The temperature on May 9, 1964 was between 4.6 °C and 17.2 °C and averaged 10.8 °C. There was 7.8 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I9417.php : accessed January 24, 2026), "Itske Terpstra (1920-1964)".
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