January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
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.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death June 20, 1977
The temperature on June 20, 1977 was between 10.8 °C and 13.1 °C and averaged 11.7 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. 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.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 10 » Astronomers discover the rings of Uranus.
July 24 » End of a four-day-long Libyan–Egyptian War.
August 4 » U.S. President Jimmy Carter signs legislation creating the United States Department of Energy.
September 12 » South African anti-apartheid activist Steve Biko dies in police custody.
October 18 » German Autumn: a set of events revolving around the kidnapping of Hanns Martin Schleyer and the hijacking of a Lufthansa flight by the Red Army Faction (RAF) comes to an end when Schleyer is murdered and various RAF members allegedly commit suicide.
November 12 » France conducts the Oreste nuclear test as 14th in the group of 29, 1975–78 French nuclear tests series.
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/I172747.php : accessed February 20, 2026), "Jacob Bruynzeel (1902-1977)".
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