January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of marriage April 18, 1927
The temperature on April 18, 1927 was between 6.0 °C and 16.0 °C and averaged 10.9 °C. There was 4.7 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 11 » In New York City, Samuel Roxy Rothafel opens the Roxy Theatre.
April 30 » Douglas Fairbanks and Mary Pickford become the first celebrities to leave their footprints in concrete at Grauman's Chinese Theatre in Hollywood.
May 20 » Treaty of Jeddah: The United Kingdom recognizes the sovereignty of King Ibn Saud in the Kingdoms of Hejaz and Nejd, which later merge to become the Kingdom of Saudi Arabia.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
July 24 » The Menin Gate war memorial is unveiled at Ypres.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
Day of death August 17, 1973
The temperature on August 17, 1973 was between 14.0 °C and 28.5 °C and averaged 21.1 °C. There was 3.8 hours of sunshine (26%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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 » A Lockheed C-141 Starlifter, dubbed the Hanoi Taxi, makes the last flight of Operation Homecoming.
June 27 » The President of Uruguay Juan María Bordaberry dissolves Parliament and establishes a dictatorship.
July 29 » Driver Roger Williamson is killed during the Dutch Grand Prix, after a suspected tire failure causes his car to pitch into the barriers at high speed.
August 9 » Mars 7 is launched from the USSR.
December 3 » Pioneer program: Pioneer 10 sends back the first close-up images of Jupiter.
December 20 » The Prime Minister of Spain, Admiral Luis Carrero Blanco, is assassinated by a car bomb attack in Madrid.
When copying data from this family tree, please include a reference to the origin: J. Held, "Family tree Jacobus (Koos) Held", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koos-held/I5698.php : accessed February 27, 2026), "Hendrik Johannes Schaap (1902-1973)".
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