The temperature on January 10, 1971 was between -0.9 °C and 7.9 °C and averaged 2.5 °C. There was -0.1 mm of rain. There was 5.9 hours of sunshine (73%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
May 13 » Over 900 unarmed Bengali Hindus are murdered in the Demra massacre.
May 30 » Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
September 3 » Qatar becomes an independent state.
September 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
When copying data from this family tree, please include a reference to the origin: Joke Koster, "Family tree Griffioen Jellema Friese Adel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-griffioen-koster/I669189.php : accessed June 20, 2024), "Adrianus Westerveld (????-1971)".
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