January 4 » Utah is admitted as the 45th U.S. state.
February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
Day of marriage February 4, 1920
The temperature on February 4, 1920 was between 2.5 °C and 7.9 °C and averaged 5.0 °C. There was 0.9 mm of rain. The average windspeed was 2 Bft (weak wind) 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.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
Day of death March 6, 1967
The temperature on March 6, 1967 was between 1.7 °C and 10.0 °C and averaged 7.0 °C. There was 1.0 hours of sunshine (9%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 14 » The New York Times reports that the U.S. Army is conducting secret germ warfare experiments.
June 17 » Nuclear weapons testing: China announces a successful test of its first thermonuclear weapon.
July 29 » Vietnam War: Off the coast of North Vietnam the USSForrestal catches on fire in the worst U.S. naval disaster since World War II, killing 134.
September 15 » U.S. President Lyndon B. Johnson, responding to a sniper attack at the University of Texas at Austin, writes a letter to Congress urging the enactment of gun control legislation.
October 8 » Guerrilla leader Che Guevara and his men are captured in Bolivia.
November 22 » UN Security Council Resolution 242 is adopted, establishing a set of the principles aimed at guiding negotiations for an Arab–Israeli peace settlement.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I201013.php : accessed October 19, 2026), "Zwaantje Westerloo (1896-1967)".
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