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.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
Day of marriage December 6, 1921
The temperature on December 6, 1921 was between -2.9 °C and 3.6 °C and averaged 1.4 °C. There was 0.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
Day of death November 25, 1958
The temperature on November 25, 1958 was between 2.6 °C and 3.9 °C and averaged 3.2 °C. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 4 » Sputnik 1, the first artificial Earth satellite, launched by the Soviet Union in 1957, falls to Earth from orbit.
January 28 » The Lego company patents the design of its Lego bricks, still compatible with bricks produced today.
January 31 » Cold War: Space Race: The first successful American satellite detects the Van Allen radiation belt.
February 3 » Founding of the Benelux Economic Union, creating a testing ground for a later European Economic Community.
October 4 » The current constitution of France is adopted.
December 28 » "Greatest Game Ever Played": Baltimore Colts defeat the New York Giants in the first ever National Football League sudden death overtime game at New York's Yankee Stadium.
When copying data from this family tree, please include a reference to the origin: Gert Esterhuizen, "Family tree Eric Esterhuizen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-esterhuizen/I6526.php : accessed February 21, 2026), "Johannes Gideon PRETORIUS (1897-1958)".
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