April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
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.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Cadillac Motor Company is founded.
Day of marriage December 30, 1926
The temperature on December 30, 1926 was between 3.1 °C and 7.7 °C and averaged 6.2 °C. There was 0.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
May 4 » The United Kingdom general strike begins.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 11 » The United States Numbered Highway System is established.
Day of death February 18, 1970
The average temperature on February 18, 1970 was -3.2 °C. There was 0.6 mm of rain during 0.5 hours. There was 6.1 hours of sunshine (60%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 5 » The 7.1 Mw Tonghai earthquake shakes Tonghai County, Yunnan province, China, with a maximum Mercalli intensity of X (Extreme). Between 10,000 and 15,000 people are known to have been killed and about another 26,000 are injured.
March 18 » Lon Nol ousts Prince Norodom Sihanouk of Cambodia.
May 31 » The 7.9 Mw Ancash earthquake shakes Peru with a maximum Mercalli intensity of VIII (Severe) and a landslide buries the town of Yungay, Peru. Between 66,794–70,000 were killed and 50,000 were injured.
June 4 » Tonga gains independence from the United Kingdom.
September 30 » Jordan makes a deal with the PFLP for the release of the remaining hostages from the Dawson's Field hijackings.
November 17 » Vietnam War: Lieutenant William Calley goes on trial for the My Lai Massacre.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I170797.php : accessed February 12, 2026), "Wiebe Couperus (1902-1970)".
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