January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage May 7, 1920
The temperature on May 7, 1920 was between 6.7 °C and 14.5 °C and averaged 10.6 °C. There was 4.5 mm of rain. There was 4.7 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
April 23 » The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
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 16 » Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw.
October 30 » The Communist Party of Australia is founded in Sydney.
Day of death April 1, 1960
The temperature on April 1, 1960 was between 4.4 °C and 8.1 °C and averaged 6.0 °C. There was 0.1 mm of rain during 0.1 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 30 » The African National Party is founded in Chad, through the merger of traditionalist parties.
April 21 » Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
June 17 » The Nez Perce tribe is awarded $4million for 7million acres (28,000km) of land undervalued at four cents/acre in the 1863 treaty.
August 1 » Dahomey (later renamed Benin) declares independence from France.
September 8 » In Huntsville, Alabama, US President Dwight D. Eisenhower formally dedicates the Marshall Space Flight Center (NASA had already activated the facility on July 1).
October 1 » Nigeria gains independence from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Rob Post, "Family tree Post - Aries", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-post-aries/I217.php : accessed February 6, 2026), "Johanna Petronella ELEMANS (1897-1960)".
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