June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of death December 23, 1977
The temperature on December 23, 1977 was between 6.0 °C and 14.9 °C and averaged 9.6 °C. There was 0.8 mm of rain during 1.5 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 18 » Australia's worst rail disaster occurs at Granville, Sydney killing 83.
January 20 » Jimmy Carter is inaugurated the 39th President of the United States of America.
February 4 » A Chicago Transit Authority elevated train rear-ends another and derails, killing 11 and injuring 180, the worst accident in the agency's history.
March 16 » Assassination of Kamal Jumblatt, the main leader of the anti-government forces in the Lebanese Civil War.
June 30 » The Southeast Asia Treaty Organization disbands.
July 24 » End of a four-day-long Libyan–Egyptian War.
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/I145462.php : accessed October 9, 2026), "Hendrik de Roos (1896-1977)".
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