The temperature on April 19, 1911 was between 9.7 °C and 15.3 °C and averaged 12.9 °C. There was 0.2 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
September 29 » Italy declares war on the Ottoman Empire.
Day of marriage August 8, 1936
The temperature on August 8, 1936 was between 12.0 °C and 21.4 °C and averaged 16.4 °C. There was 0.1 mm of rain during 0.1 hours. There was 7.1 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
May 28 » Alan Turing submits On Computable Numbers for publication.
August 10 » Spanish Civil War: The Regional Defence Council of Aragon is dissolved by the Spanish Republic.
August 24 » The Australian Antarctic Territory is created.
November 2 » The British Broadcasting Corporation initiates the BBC Television Service, the world's first regular, "high-definition" (then defined as at least 200 lines) service. Renamed BBC1 in 1964, the channel still runs to this day.
December 10 » Abdication Crisis: Edward VIII signs the Instrument of Abdication.
Day of death September 11, 1967
The temperature on September 11, 1967 was between 5.1 °C and 16.9 °C and averaged 11.4 °C. There was 4.2 mm of rain during 3.5 hours. 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-southwest. Source: KNMI
March 9 » Trans World Airlines Flight 553 crashes in a field in Concord Township, Ohio following a mid-air collision with a Beechcraft Baron, killing 26 people.
April 28 » Vietnam War: Boxer Muhammad Ali refuses his induction into the United States Army and is subsequently stripped of his championship and license.
September 1 » The Khmer–Chinese Friendship Association is banned in Cambodia.
September 4 » Vietnam War: Operation Swift begins when U.S. Marines engage the North Vietnamese in battle in the Que Son Valley.
November 14 » The Congress of Colombia, in commemoration of the 150 years of the death of Policarpa Salavarrieta, declares this day as "Day of the Colombian Woman".
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/I136166.php : accessed February 8, 2026), "Trientje Veenstra (1911-1967)".
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