January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 20 » Pierre and Marie Curie refine radium chloride.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
August 22 » Cadillac Motor Company is founded.
Day of death July 15, 1967
The temperature on July 15, 1967 was between 11.6 °C and 20.0 °C and averaged 16.5 °C. There was 3.1 hours of sunshine (19%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 14 » Gnassingbé Eyadéma overthrows President of Togo Nicolas Grunitzky and installs himself as the new president, a title he would hold for the next 38 years.
April 27 » Expo 67 officially opens in Montreal, Quebec, Canada with a large opening ceremony broadcast around the world. It opens to the public the next day.
May 20 » The Popular Movement of the Revolution political party is established in the Democratic Republic of the Congo.
September 3 » Dagen H in Sweden: Traffic changes from driving on the left to driving on the right overnight.
September 11 » China's People's Liberation Army (PLA) launched an attack on Indian posts at Nathu La, Sikkim, India, which resulted a military clashes.
September 30 » The BBC Light Programme, Third Programme and Home Service are replaced with BBC Radio 2, 3 and 4 Respectively, BBC Radio 1 is also launched.
When copying data from this family tree, please include a reference to the origin: Monique Lassooij, "Family tree Lassooij -Toussaint - Ammerlaan - Onderwater", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lassooij/R396.php : accessed February 5, 2026), "Johannes Wilhelmus Kortekaas (1902-1967)".
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