The temperature on February 14, 1909 was between -0.8 °C and 4.0 °C and averaged 2.0 °C. There was 0.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
June 26 » The Science Museum in London comes into existence as an independent entity.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
Day of death July 14, 1973
The temperature on July 14, 1973 was between 11.2 °C and 23.7 °C and averaged 19.0 °C. There was -0.1 mm of rain. There was 4.9 hours of sunshine (30%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
May 11 » Citing government misconduct, Daniel Ellsberg's charges for his involvement in releasing the Pentagon Papers to The New York Times are dismissed.
May 14 » Skylab, the United States' first space station, is launched.
May 17 » Watergate scandal: Televised hearings begin in the United States Senate.
May 31 » The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War.
July 17 » King Mohammed Zahir Shah of Afghanistan, while having surgery in Italy, is deposed by his cousin Mohammed Daoud Khan.
July 21 » In Lillehammer, Norway, Mossad agents kill a waiter whom they mistakenly thought was involved in the 1972 Munich Olympics Massacre.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I92161.php : accessed February 26, 2026), "Swopke Siebring (1909-1973)".
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