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).
January 10 » American Civil War: Florida becomes the third state to secede from the Union.
February 9 » American Civil War: Jefferson Davis is elected the Provisional President of the Confederate States of America by the Confederate convention at Montgomery, Alabama.
April 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
April 27 » American President Abraham Lincoln suspends the writ of habeas corpus.
June 10 » American Civil War: Battle of Big Bethel: Confederate troops under John B. Magruder defeat a much larger Union force led by General Ebenezer W. Pierce in Virginia.
August 5 » American Civil War: In order to help pay for the war effort, the United States government levies the first income tax as part of the Revenue Act of 1861 (3% of all incomes over US$800; rescinded in 1872).
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
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 December 29, 2025), "Pieter de Groot (1861-1937)".
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