The temperature on September 8, 1920 was between 7.1 °C and 18.0 °C and averaged 13.1 °C. There was 1.1 hours of sunshine (8%). The average windspeed was 2 Bft (weak 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.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
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 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
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.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of marriage September 11, 1947
The temperature on September 11, 1947 was between 9.5 °C and 26.6 °C and averaged 18.6 °C. There was 0.1 mm of rain. There was 10.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 23 » International Organization for Standardization is founded.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
July 1 » The Philippine Air Force is established.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
October 16 » The Philippines takes over the administration of the Turtle Islands and the Mangsee Islands from the United Kingdom.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
Day of death December 23, 1978
The temperature on December 23, 1978 was between -1.8 °C and -0.8 °C and averaged -1.3 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
April 17 » Mir Akbar Khyber is assassinated, provoking a communist coup d'état in Afghanistan.
April 27 » Former United States President Nixon aide John D. Ehrlichman is released from an Arizona prison after serving 18 months for Watergate-related crimes.
May 4 » The South African Defence Force attacks a SWAPO base at Cassinga in southern Angola, killing about 600 people.
June 1 » The first international applications under the Patent Cooperation Treaty are filed.
June 11 » Altaf Hussain founds the student political movement All Pakistan Muhajir Students Organisation (APMSO) in Karachi University.
August 7 » U.S. President Jimmy Carter declares a federal emergency at Love Canal due to toxic waste that had been disposed of negligently.
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/I120586.php : accessed October 22, 2026), "Gerkje de Graaf (1920-1978)".
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