The temperature on September 18, 1970 was between 8.2 °C and 21.3 °C and averaged 13.8 °C. There was 10.0 hours of sunshine (80%). The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
April 26 » The Convention Establishing the World Intellectual Property Organization enters into force.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
June 4 » Tonga gains independence from the United Kingdom.
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).
September 6 » Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I240515.php : accessed January 20, 2026), "Adriana Cornelia Johanna Maria Koks (1970-)".
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