April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 20 » Pierre and Marie Curie refine radium chloride.
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.
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.
Day of marriage October 18, 1928
The temperature on October 18, 1928 was between 8.2 °C and 15.4 °C and averaged 12.3 °C. There was 8.5 mm of rain. There was 1.6 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
October 1 » The Soviet Union introduces its first five-year plan.
October 15 » The airship, Graf Zeppelin completes its first trans-Atlantic flight, landing at Lakehurst, New Jersey, United States.
October 22 » Phi Sigma Alpha fraternity is founded at the University of Puerto Rico.
November 12 » SSVestris sinks approximately 200 miles (320km) off Hampton Roads, Virginia, killing at least 110 passengers, mostly women and children who die after the vessel is abandoned.
December 13 » George Gershwin's An American in Paris is first performed.
Day of death June 11, 1973
The temperature on June 11, 1973 was between 8.2 °C and 18.3 °C and averaged 14.1 °C. There was 3.6 hours of sunshine (22%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
January 23 » United States President Richard Nixon announces that a peace accord has been reached in Vietnam.
April 10 » Invicta International Airlines Flight 435 crashes in a snowstorm on approach to Basel, Switzerland, killing 108 people.
May 3 » The 108-story Sears Tower in Chicago is topped out at 1,451 feet as the world's tallest building.
May 31 » The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War.
September 26 » Concorde makes its first non-stop crossing of the Atlantic in record-breaking time.
November 22 » The Italian Fascist organization Ordine Nuovo is disbanded.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I1940.php : accessed January 8, 2026), "Maria A. C. Bonarius (1902-1973)".
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