February 20 » The legislature of Hawaii Territory convenes for the first time.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
April 25 » New York becomes the first U.S. state to require automobile license plates.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of marriage December 18, 1926
The temperature on December 18, 1926 was between 2.9 °C and 6.9 °C and averaged 4.9 °C. There was 5.5 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
June 23 » The College Board administers the first SAT exam.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
Day of death March 4, 1947
The temperature on March 4, 1947 was between -9.3 °C and 2.6 °C and averaged -2.2 °C. There was 5.0 mm of rain during 1.6 hours. There was 0.5 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 23 » International Organization for Standardization is founded.
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
October 30 » The General Agreement on Tariffs and Trade (GATT), the foundation of the World Trade Organization (WTO), is founded.
November 6 » Meet the Press, the longest running television program in history, makes its debut.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
November 25 » New Zealand ratifies the Statute of Westminster and thus becomes independent of legislative control by the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I141014.php : accessed January 1, 2026), "Roelofje Post (1901-1947)".
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