The temperature on September 12, 1861 was about 14.7 °C. There was 2 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
February 18 » In Montgomery, Alabama, Jefferson Davis is inaugurated as the provisional President of the Confederate States of America.
March 17 » The Kingdom of Italy is proclaimed.
April 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
June 8 » American Civil War: Tennessee secedes from the Union.
July 26 » American Civil War: George B. McClellan assumes command of the Army of the Potomac following a disastrous Union defeat at the First Battle of Bull Run.
November 7 » The first Melbourne Cup horse race is held in Melbourne, Australia.
Day of death October 27, 1937
The temperature on October 27, 1937 was between 11.6 °C and 20.7 °C and averaged 15.2 °C. There was 4.4 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
September 21 » J. R. R. Tolkien's The Hobbit is published.
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
December 11 » Second Italo-Ethiopian War: Italy leaves the League of Nations.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I5347.php : accessed October 19, 2026), "Pieter de Groot (1861-1937)".
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