The temperature on March 8, 1866 was about 4.3 °C. There was 0.3 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 90%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
May 1 » The Memphis Race Riots begin. In three days time, 46 blacks and two whites were killed. Reports of the atrocities influenced passage of the Fourteenth Amendment to the United States Constitution.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
July 3 » Austro-Prussian War is decided at the Battle of Königgrätz, resulting in Prussia taking over as the prominent German nation from Austria.
August 23 » Austro-Prussian War ends with the Treaty of Prague.
September 22 » The Battle of Curupayty is Paraguay's only significant victory in the Paraguayan War.
Day of marriage April 29, 1896
The temperature on April 29, 1896 was about 8.6 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
July 28 » The city of Miami, Florida is incorporated.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
When copying data from this family tree, please include a reference to the origin: K. Groot, "Genealogy Groot", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-groot/I243.php : accessed February 2, 2026), "Johannus Theodorus Kemper (1866-????)".
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