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 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » Second Boer War: British troops relieve Mafeking.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
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
January 20 » King George V of the United Kingdom dies. His eldest son succeeds to the throne, becoming Edward VIII. The title Prince of Wales is not used for another 22 years.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
June 28 » The Japanese puppet state of Mengjiang is formed in northern China.
August 19 » The Great Purge of the Soviet Union begins when the first of the Moscow Trials is convened.
December 5 » The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
December 23 » Colombia becomes a signatory to the Buenos Aires copyright treaty.
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 25, 2026), "Clara van der Werff (1875-1936)".
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