The temperature on July 24, 1911 was between 12.0 °C and 22.3 °C and averaged 17.7 °C. There was 11.8 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of death October 12, 1997
The temperature on October 12, 1997 was between 5.8 °C and 13.6 °C and averaged 9.3 °C. There was 0.3 mm of rain during 0.9 hours. There was 5.8 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
May 8 » China Southern Airlines Flight 3456 crashes on approach into Bao'an International Airport, killing 35 people.
June 25 » An unmanned Progress spacecraft collides with the Russian space station Mir.
July 5 » Sri Lankan Civil War: Sri Lankan Tamil MP A. Thangathurai is shot dead at Sri Shanmuga Hindu Ladies College in Trincomalee.
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.
September 26 » An earthquake strikes the Italian regions of Umbria and the Marche, causing part of the Basilica of St. Francis at Assisi to collapse.
When copying data from this family tree, please include a reference to the origin: R. Ratsma, "Family tree diverse families", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ratsma/I4082.php : accessed January 23, 2026), " (1911-1997)".
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