The temperature on June 14, 1909 was between 9.5 °C and 13.2 °C and averaged 11.3 °C. There was 0.5 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
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.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
Day of death April 17, 1961
The temperature on April 17, 1961 was between 8.2 °C and 14.1 °C and averaged 10.4 °C. There was 1.8 mm of rain during 1.8 hours. There was 1.1 hours of sunshine (8%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 8 » A large explosion on board the MVDara in the Persian Gulf kills 238.
May 19 » Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
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/I409745.php : accessed February 19, 2026), "Jantina Freriks (1909-1961)".
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