The temperature on September 29, 1912 was between 7.6 °C and 11.7 °C and averaged 9.9 °C. There was 4.3 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
November 27 » Spain declares a protectorate over the north shore of Morocco.
December 6 » The Nefertiti Bust is discovered.
Day of marriage May 24, 1935
The temperature on May 24, 1935 was between 10.4 °C and 19.2 °C and averaged 15.0 °C. There was 4.7 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
May 27 » New Deal: The Supreme Court of the United States declares the National Industrial Recovery Act to be unconstitutional in A.L.A. Schechter Poultry Corp. v. United States, (295 U.S. 495).
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
September 2 » The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
September 24 » Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
Day of death July 1, 1997
The temperature on July 1, 1997 was between 10.8 °C and 20.7 °C and averaged 14.4 °C. There was 3.6 mm of rain during 1.5 hours. There was 6.1 hours of sunshine (37%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 23 » Madeleine Albright becomes the first woman to serve as United States Secretary of State.
February 7 » NeXT merges with Apple Computer, starting the path to Mac OS X.
June 25 » The National Hockey League approved expansion franchises for Nashville (1998), Atlanta (1999), Columbus (2000), and Minneapolis-Saint Paul (2000).
July 10 » Miguel Ángel Blanco, a member of Partido Popular (Spain), is kidnapped (and later murdered) in the Basque city of Ermua by ETA members, sparking widespread protests.
September 18 » The Anti-Personnel Mine Ban Convention is adopted.
December 11 » The Kyoto Protocol opens for signature.
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/I76702.php : accessed February 13, 2026), "Pieter Koops (1912-1997)".
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