The temperature on May 21, 1970 was between 7.6 °C and 13.9 °C and averaged 10.3 °C. There was 1.6 mm of rain during 1.6 hours. There was 4.1 hours of sunshine (26%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 6 » An explosion at the Weather Underground safe house in Greenwich Village kills three.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
April 6 » Newhall massacre: Four California Highway Patrol officers are killed in a shootout.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
October 12 » Vietnam War: Vietnamization continues as President Nixon announces that the United States will withdraw 40,000 more troops before Christmas.
November 12 » The Oregon Highway Division attempts to destroy a rotting beached Sperm whale with explosives, leading to the now infamous "exploding whale" incident.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I34347.php : accessed February 18, 2026), "Romain van Landschoot".
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