February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage August 4, 1927
The temperature on August 4, 1927 was between 11.5 °C and 23.6 °C and averaged 18.4 °C. There was 12.3 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 11 » Louis B. Mayer, head of film studio Metro-Goldwyn-Mayer (MGM), announces the creation of the Academy of Motion Picture Arts and Sciences, at a banquet in Los Angeles, California.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
May 21 » Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
December 19 » Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan, are executed by the British Raj for participation in the Kakori conspiracy.
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/I61551.php : accessed December 27, 2025), "Johannes van Kammen (1895-????)".
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