March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
August 29 » The Goodyear tire company is founded.
September 13 » Hannibal Goodwin patents celluloid photographic film.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage September 7, 1920
The temperature on September 7, 1920 was between 8.9 °C and 16.4 °C and averaged 12.8 °C. There was 3.2 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
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.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
Day of death September 21, 1963
The temperature on September 21, 1963 was between 10.6 °C and 16.3 °C and averaged 14.1 °C. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 21 » Alcatraz Federal Penitentiary (in California) closes.
April 26 » In Libya, amendments to the constitution transform Libya (United Kingdom of Libya) into one national unity (Kingdom of Libya) and allows for female participation in elections.
June 21 » Cardinal Giovanni Battista Montini is elected as Pope Paul VI.
July 26 » The Organisation for Economic Co-operation and Development votes to admit Japan.
December 10 » An assassination attempt on the British High Commissioner in Aden kills two people and wounds dozens more.
December 10 » Zanzibar gains independence from the United Kingdom as a constitutional monarchy, under Sultan Jamshid bin Abdullah.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3506.php : accessed January 30, 2026), "Christina Theunissina van Zyl (1898-1963)".
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