May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
August 22 » Cadillac Motor Company is founded.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage May 18, 1928
The temperature on May 18, 1928 was between 3.2 °C and 12.3 °C and averaged 7.6 °C. There was 1.0 mm of rain. There was 3.7 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 12 » In California, the St. Francis Dam fails; the resulting floods kill 431 people.
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
July 7 » Sliced bread is sold for the first time (on the inventor's 48th birthday) by the Chillicothe Baking Company of Chillicothe, Missouri.
October 22 » Phi Sigma Alpha fraternity is founded at the University of Puerto Rico.
November 22 » The premier performance of Ravel's Boléro takes place in Paris.
Day of death July 7, 1976
The temperature on July 7, 1976 was between 12.5 °C and 29.9 °C and averaged 22.4 °C. There was 15.1 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I5020.php : accessed January 28, 2026), "Jan Vaartjes (1902-1976)".
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