The temperature on February 17, 1870 was about -0.8 °C. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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 6 » The inauguration of the Musikverein in Vienna, Austria.
January 10 » John D. Rockefeller incorporates Standard Oil.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
July 19 » Franco-Prussian War: France declares war on Prussia.
August 2 » Tower Subway, the world's first underground tube railway, opens in London, England, United Kingdom.
Day of marriage October 20, 1904
The temperature on October 20, 1904 was between 7.7 °C and 13.8 °C and averaged 10.9 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 23 » Ålesund Fire: the Norwegian coastal town Ålesund is devastated by fire, leaving 10,000 people homeless and one person dead. Kaiser Wilhelm II funds the rebuilding of the town in Jugendstil style.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
May 15 » Russo-Japanese War: The Russian minelayer Amur lays a minefield about 15 miles off Port Arthur and sinks Japan's battleships Hatsuse, 15,000 tons, with 496 crew and Yashima.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099496198.php : accessed March 8, 2026), "Wichem van Leeuwen (1870-????)".
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