February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
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.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
Day of marriage May 20, 1926
The temperature on May 20, 1926 was between 5.7 °C and 17.6 °C and averaged 12.1 °C. There was 3.9 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
June 23 » The College Board administers the first SAT exam.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
November 15 » The NBC radio network opens with 24 stations.
Day of death November 5, 1978
The temperature on November 5, 1978 was between 6.7 °C and 12.8 °C and averaged 9.6 °C. There was -0.1 mm of rain. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 16 » The first computer bulletin board system is created (CBBS in Chicago).
March 22 » Karl Wallenda of The Flying Wallendas dies after falling off a tight-rope suspended between two hotels in San Juan, Puerto Rico.
April 27 » The Saur Revolution begins in Afghanistan, ending the following morning with the murder of Afghan President Mohammed Daoud Khan and the establishment of the Democratic Republic of Afghanistan.
October 21 » Australian civilian pilot Frederick Valentich vanishes over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft.
November 15 » A chartered Douglas DC-8 crashes near Colombo, Sri Lanka, killing 183.
November 17 » The Star Wars Holiday Special airs on CBS, receiving negative reception from critics, fans, and even Star Wars creator George Lucas.
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/I112755.php : accessed February 16, 2026), "Willem Ytsma (1901-1978)".
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