The temperature on August 2, 1964 was between 11.5 °C and 18.2 °C and averaged 14.6 °C. There was 4.4 hours of sunshine (28%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 13 » In Manchester, New Hampshire, fourteen-year-old Pamela Mason is murdered. Edward Coolidge is tried and convicted of the crime, but the conviction is set aside by the landmark Fourth Amendment case Coolidge v. New Hampshire (1971).
January 16 » Hello, Dolly! opened on Broadway, beginning a run of 2,844 performances.
May 5 » The Council of Europe declares May 5 as Europe Day.
August 4 » Second Gulf of Tonkin Incident: U.S. destroyers USSMaddox and USSTurner Joy mistakenly report coming under attack in the Gulf of Tonkin.
October 14 » Martin Luther King Jr. received the Nobel Peace Prize for combating racial inequality through nonviolence.
December 4 » Free Speech Movement: Police arrest over 800 students at the University of California, Berkeley, following their takeover and sit-in at the administration building in protest of the UC Regents' decision to forbid protests on UC property.
Day of death July 18, 1970
The temperature on July 18, 1970 was between 6.4 °C and 21.6 °C and averaged 14.7 °C. There was 5.5 hours of sunshine (34%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
April 10 » Paul McCartney announces that he is leaving The Beatles for personal and professional reasons.
April 22 » The first Earth Day is celebrated.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
October 9 » The Khmer Republic is proclaimed in Cambodia.
December 21 » First flight of F-14 multi-role combat aircraft.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I7253.php : accessed January 1, 2026), "Eric Justin Ronald Heydentrijk (1964-1970)".
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