February 27 » Fußball-Club Bayern München is founded.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 5 » Second Boer War: British soldiers take Pretoria.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage December 10, 1920
The temperature on December 10, 1920 was between -4.2 °C and -1.7 °C and averaged -2.9 °C. There was 2.1 hours of sunshine (27%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 26 » Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer.
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.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
August 16 » Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
When copying data from this family tree, please include a reference to the origin: M. Pelt-Suurmond, "Descendants Eberson", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-eberson/I187.php : accessed March 6, 2026), "Abraham Christoffel Hendrik Suurmond (1900-)".
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