The temperature on August 13, 1870 was about 20.6 °C. The air pressure was 6 kgf/m2 and came mainly from the north. The airpressure was 77 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).
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
April 13 » The New York City Metropolitan Museum of Art is founded.
July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
Day of marriage May 8, 1901
The temperature on May 8, 1901 was between 3.3 °C and 14.1 °C and averaged 8.4 °C. There was 6.0 hours of sunshine (39%). Source: KNMI
January 1 » Nigeria becomes a British protectorate.
March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I144587.php : accessed February 3, 2026), "Theodora Elizabeth Maria van Kalken (1870-????)".
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