The temperature on January 12, 1870 was about 3.2 °C. There was 3 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. 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 23 » In Montana, U.S. cavalrymen kill 173 Native Americans, mostly women and children, in what becomes known as the Marias Massacre.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
August 8 » The Republic of Ploiești, a failed Radical-Liberal rising against Domnitor Carol of Romania.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.
Day of marriage September 17, 1894
The temperature on September 17, 1894 was about 13.4 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. 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.
March 16 » Jules Massenet's opera Thaïs is first performed.
March 25 » Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.
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.
June 23 » The International Olympic Committee is founded at the Sorbonne in Paris, at the initiative of Baron Pierre de Coubertin.
June 28 » Labor Day becomes an official US holiday.
August 25 » Kitasato Shibasaburō discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I25268.php : accessed September 25, 2026), "Leonardus "Leonard" (Leonardus "Leonard") Janssens (1870-????)".
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