January 30 » The first Anglo-Japanese Alliance is signed in London.
March 6 » Real Madrid CF is founded.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
August 22 » Cadillac Motor Company is founded.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
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
January 14 » Counterculture of the 1960s: The Human Be-In takes place in San Francisco, California's Golden Gate Park, launching the Summer of Love.
May 10 » The Northrop M2-F2 crashes on landing, becoming the inspiration for the novel Cyborg and TV series The Six Million Dollar Man.
May 13 » Dr. Zakir Husain becomes the third President of India. He is the first Muslim President of the Indian Union. He holds this position until August 24, 1969.
June 14 » Mariner program: Mariner 5 is launched towards Venus.
November 3 » Vietnam War: The Battle of Dak To begins.
December 21 » Louis Washkansky, the first man to undergo a human-to-human heart transplant, dies in Cape Town, South Africa, having lived for 18 days after the transplant.
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 4, 2026), "Johannes Wilhelmus Kortekaas (1902-1967)".
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