January 31 » Czechoslav Trade Union Association is founded in Prague.
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 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
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 January 4, 1921
The temperature on January 4, 1921 was between 6.0 °C and 9.2 °C and averaged 8.0 °C. There was 2.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) 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 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death January 20, 1967
The temperature on January 20, 1967 was between 2.5 °C and 7.4 °C and averaged 5.2 °C. There was 0.2 hours of sunshine (2%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 12 » Dr. James Bedford becomes the first person to be cryonically preserved with intent of future resuscitation.
January 18 » Albert DeSalvo, the "Boston Strangler", is convicted of numerous crimes and is sentenced to life imprisonment.
April 28 » Vietnam War: Boxer Muhammad Ali refuses his induction into the United States Army and is subsequently stripped of his championship and license.
April 29 » After refusing induction into the United States Army the previous day, Muhammad Ali is stripped of his boxing title.
October 29 » Montreal's World Fair, Expo 67, closes with over 50 million visitors.
November 3 » Vietnam War: The Battle of Dak To begins.
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/I5668.php : accessed February 3, 2026), "Christina Johanna Dreyer b5c1d3e9f7g8 (1897-1967)".
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