January 31 » Czechoslav Trade Union Association is founded in Prague.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage April 21, 1927
The temperature on April 21, 1927 was between 8.7 °C and 13.2 °C and averaged 11.3 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 29 » Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
April 7 » The first long-distance public television broadcast (from Washington, D.C., to New York City, displaying the image of Commerce Secretary Herbert Hoover).
May 5 » To the Lighthouse by Virginia Woolf is first published.
May 27 » The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
October 4 » Gutzon Borglum begins sculpting Mount Rushmore.
November 13 » The Holland Tunnel opens to traffic as the first Hudson River vehicle tunnel linking New Jersey to New York City.
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/I114013.php : accessed October 20, 2026), "Tijtje Groenewold (1897-????)".
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