The temperature on July 10, 1912 was between 8.8 °C and 23.7 °C and averaged 17.8 °C. There was 4.0 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
June 8 » Carl Laemmle incorporates Universal Pictures.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of death October 17, 1980
The temperature on October 17, 1980 was between 10.0 °C and 13.0 °C and averaged 11.3 °C. There was 1.2 mm of rain during 3.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
April 24 » Eight U.S. servicemen die in Operation Eagle Claw as they attempt to end the Iran hostage crisis.
July 1 » "O Canada" officially becomes the national anthem of Canada.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
August 19 » Saudia Flight 163, a Lockheed L-1011 TriStar burns after making an emergency landing at King Khalid International Airport in Riyadh, Saudi Arabia, killing 301 people.
September 18 » Soyuz 38 carries two cosmonauts (including one Cuban) to the Salyut 6 space station.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I176541.php : accessed October 17, 2026), "Roelf Piersma (1912-1980)".
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