April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of death December 23, 1975
The temperature on December 23, 1975 was between 4.9 °C and 6.3 °C and averaged 5.6 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 4 » Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico.
April 9 » The first game of the Philippine Basketball Association, the second oldest professional basketball league in the world.
June 25 » Prime Minister Indira Gandhi declares a state of internal emergency in India.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
October 1 » Muhammad Ali defeats Joe Frazier in a boxing match in Manila, Philippines.
November 10 » The 729-foot-long freighter SSEdmund Fitzgerald sinks during a storm on Lake Superior, killing all 29 crew on board.
When copying data from this family tree, please include a reference to the origin: Jolene Witkam, "Family tree Witkam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witkam/R98.php : accessed March 4, 2026), "Gerardus de die le Clercq (1902-1975)".
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