The temperature on May 25, 1869 was about 12.8 °C. The air pressure was 10 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 70%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 27 » Boshin War: Tokugawa rebels establish the Ezo Republic in Hokkaidō.
May 26 » Boston University is chartered by the Commonwealth of Massachusetts.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
September 24 » Gold prices plummet after President Grant orders the Treasury to sell large quantities of gold after Jay Gould and James Fisk plot to control the market.
November 6 » In New Brunswick, New Jersey, Rutgers College defeats Princeton University (then known as the College of New Jersey), 6–4, in the first official intercollegiate American football game.
November 22 » In Dumbarton, Scotland, the clipper Cutty Sark is launched
Day of marriage May 10, 1894
The temperature on May 10, 1894 was about 13.2 °C. There was 0.3 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
January 9 » New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts.
May 11 » Four thousand Pullman Palace Car Company workers go on a wildcat strike.
May 21 » The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
July 22 » The first ever motor race is held in France between the cities of Paris and Rouen. The fastest finisher was the Comte Jules-Albert de Dion, but the 'official' victory was awarded to Albert Lemaître driving his 3hp petrol engined Peugeot.
September 15 » First Sino-Japanese War: Japan defeats Qing dynasty China in the Battle of Pyongyang.
November 21 » Port Arthur, China, falls to the Japanese, a decisive victory of the First Sino-Japanese War; Japanese troops are accused of massacring the remaining inhabitants.
Day of death July 18, 1959
The temperature on July 18, 1959 was between 15.7 °C and 30.4 °C and averaged 24.0 °C. There was 12.6 hours of sunshine (78%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 4 » Luna 1 becomes the first spacecraft to reach the vicinity of the Moon.
January 30 » MSHans Hedtoft, said to be the safest ship afloat and "unsinkable" like the RMSTitanic, strikes an iceberg on her maiden voyage and sinks, killing all 95 aboard.
February 2 » Nine experienced ski hikers in the northern Ural Mountains in the Soviet Union die under mysterious circumstances.
February 9 » The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.
June 23 » Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.
November 20 » The Declaration of the Rights of the Child is adopted by the United Nations.
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/I12546.php : accessed October 13, 2026), "Jelte Koopmans (1869-1959)".
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