The temperature on February 11, 1866 was about 7.3 °C. There was 2 mm of rain. The air pressure was 30 kgf/m2 and came mainly from the south. The airpressure was 74 cm mercury. The atmospheric humidity was 69%. 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).
January 12 » The Royal Aeronautical Society is formed in London.
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.
June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
July 28 » At the age of 18, Vinnie Ream becomes the first and youngest female artist to receive a commission from the United States government for a statue (of Abraham Lincoln).
August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
August 20 » President Andrew Johnson formally declares the American Civil War over.
When copying data from this family tree, please include a reference to the origin: H.J. Sieba, "Family tree Sieba", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-sieba/I46.php : accessed January 4, 2026), "Gretjen Friederike Janssen (1866-????)".
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