February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
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.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage April 5, 1919
The temperature on April 5, 1919 was between -3.5 °C and 13.3 °C and averaged 6.2 °C. There was 9.4 hours of sunshine (71%). The average windspeed was 3 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.
January 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
January 21 » A revolutionary Irish parliament is founded and declares the independence of the Irish Republic. One of the first engagements of the Irish War of Independence takes place.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
June 7 » Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
December 23 » Sex Disqualification (Removal) Act 1919 becomes law in the United Kingdom.
Day of death January 28, 1954
The temperature on January 28, 1954 was between -11.3 °C and -5.0 °C and averaged -8.6 °C. There was 3.3 hours of sunshine (37%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 21 » The first nuclear-powered submarine, the USSNautilus, is launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.
February 23 » The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
May 6 » Roger Bannister becomes the first person to run the mile in under four minutes.
May 7 » Indochina War: The Battle of Dien Bien Phu ends in a French defeat and a Viet Minh victory (the battle began on March 13).
June 9 » Joseph Welch, special counsel for the United States Army, lashes out at Senator Joseph McCarthy during the Army–McCarthy hearings, giving McCarthy the famous rebuke, "You've done enough. Have you no sense of decency, sir, at long last? Have you left no sense of decency?"
August 15 » Alfredo Stroessner begins his dictatorship in Paraguay.
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/I197129.php : accessed December 29, 2025), "Sipke Mertens (1896-1954)".
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