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.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
February 27 » The British Labour Party is founded.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
November 7 » The People's Party is founded in Cuba.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
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 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
June 15 » First flight of the Vickers Wellington bomber.
August 1 » The Olympics opened in Berlin with a ceremony presided over by Adolf Hitler.
August 3 » A fire wipes out Kursha-2 in the Meshchera Lowlands, Ryazan Oblast, Russia, killing 1,200 and leaving only 20 survivors.
September 10 » First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
November 30 » In London, the Crystal Palace is destroyed by fire.
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 19, 2026), "Clara van der Werff (1875-1936)".
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