May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
July 19 » The first line of the Paris Métro opens for operation.
November 7 » The People's Party is founded in Cuba.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death October 11, 1967
The temperature on October 11, 1967 was between 10.7 °C and 16.1 °C and averaged 13.9 °C. There was 0.1 mm of rain during 0.7 hours. There was 0.2 hours of sunshine (2%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 13 » American researchers discover the Madrid Codices by Leonardo da Vinci in the National Library of Spain.
March 6 » Cold War: Joseph Stalin's daughter Svetlana Alliluyeva defects to the United States.
March 26 » Ten thousand people gather for one of many Central Park be-ins in New York City.
August 8 » The Association of Southeast Asian Nations (ASEAN) is founded by Indonesia, Malaysia, the Philippines, Singapore and Thailand.
August 24 » Led by Abbie Hoffman, the Youth International Party temporarily disrupts trading at the New York Stock Exchange by throwing dollar bills from the viewing gallery, causing trading to cease as brokers scramble to grab them.
November 19 » The establishment of TVB, the first wireless commercial television station in Hong Kong.
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/I170290.php : accessed October 16, 2026), "Ietje Boorsma (1900-1967)".
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