April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death December 21, 1974
The temperature on December 21, 1974 was between 7.1 °C and 9.9 °C and averaged 8.6 °C. There was 1.9 hours of sunshine (25%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
April 3 » The 1974 Super Outbreak occurs, the second biggest tornado outbreak in recorded history (after the 2011 Super Outbreak). The death toll is 315, with nearly 5,500 injured.
April 25 » Carnation Revolution: A leftist military coup in Portugal overthrows the authoritarian-conservative Estado Novo regime and establishes a democratic government.
August 7 » Philippe Petit performs a high wire act between the twin towers of the World Trade Center 1,368 feet (417m) in the air.
September 1 » The SR-71 Blackbird sets (and holds) the record for flying from New York to London in the time of 1 hour, 54 minutes and 56.4 seconds at a speed of 1,435.587 miles per hour (2,310.353km/h).
October 5 » Bombs planted by the PIRA kill four British soldiers and one civilian.
December 1 » Northwest Airlines Flight 6231, another Boeing 727, crashes northwest of John F. Kennedy International Airport.
When copying data from this family tree, please include a reference to the origin: Bernard Vermeersch, "Family tree familie Leys", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-leys/I600.php : accessed February 16, 2026), "Marie Augusta T'HOOFT (1902-1974)".
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