The temperature on April 18, 1875 was about 16.0 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 43%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 25 » The United Kingdom annexes the Transvaal.
Day of death May 11, 1936
The temperature on May 11, 1936 was between 9.6 °C and 15.8 °C and averaged 12.3 °C. There was 0.2 mm of rain during 0.6 hours. There was 2.3 hours of sunshine (15%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
April 3 » Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh.
May 28 » Alan Turing submits On Computable Numbers for publication.
September 7 » The last thylacine, a carnivorous marsupial named Benjamin, dies alone in its cage at the Hobart Zoo in Tasmania.
September 10 » First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
November 8 » Spanish Civil War: Francoist troops fail in their effort to capture Madrid, but begin the 3-year Siege of Madrid afterwards.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
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/I167198.php : accessed October 24, 2026), "Clara van der Werff (1875-1936)".
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