April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
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.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of death September 12, 1956
The temperature on September 12, 1956 was between 10.6 °C and 15.1 °C and averaged 13.0 °C. There was 0.5 hours of sunshine (4%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 1 » Formation of the East German Nationale Volksarmee.
April 26 » SSIdeal X, the world's first successful container ship, leaves Port Newark, New Jersey, for Houston, Texas.
July 30 » A joint resolution of the U.S. Congress is signed by President Dwight D. Eisenhower, authorizing In God We Trust as the U.S. national motto.
November 7 » Hungarian Revolution: János Kádár returns to Budapest in a Soviet armored convoy, officially taking office as the next Hungarian leader. By this point, most armed resistance has been defeated.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
December 12 » United Nations Security Council Resolution 121 relating to acceptance of Japan to United Nations is adopted.
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/I136960.php : accessed October 23, 2026), "Martinus van der Kooy (1902-1956)".
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