The temperature on July 20, 1970 was between 10.3 °C and 15.6 °C and averaged 12.4 °C. There was 11.6 mm of rain during 6.2 hours. There was 2.1 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
March 31 » Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
April 13 » An oxygen tank aboard the Apollo 13 Service Module explodes, putting the crew in great danger and causing major damage to the Apollo command and service module (codenamed "Odyssey") while en route to the Moon.
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
September 4 » Salvador Allende is elected President of Chile.
November 4 » Vietnam War: The United States turns over control of the air base at Bình Thủy in the Mekong Delta to South Vietnam.
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/I65595.php : accessed December 24, 2025), "Haukeline Hermine "Erna" Zijlstra (1970-)".
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