The temperature on May 6, 1882 was about 14.2 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
March 24 » Robert Koch announces the discovery of Mycobacterium tuberculosis, the bacterium responsible for tuberculosis.
May 20 » The Triple Alliance between the German Empire, Austria-Hungary and the Kingdom of Italy is formed.
June 28 » The Anglo-French Convention of 1882 marks the territorial boundaries between Guinea and Sierra Leone.
September 4 » The Pearl Street Station in New York City becomes the first power plant to supply electricity to paying customers.
September 18 » The Pacific Stock Exchange opens.
December 6 » Transit of Venus, second and last of the 19th century.
Day of marriage May 15, 1909
The temperature on May 15, 1909 was between -0.4 °C and 10.9 °C and averaged 6.0 °C. There was 0.2 mm of rain. There was 2.7 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
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/I66981.php : accessed October 4, 2026), "Harm Ytsma (1882-????)".
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