The temperature on April 22, 1861 was about 10.9 °C. The air pressure was 1.5 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 42%. 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 29 » Kansas is admitted as the 34th U.S. state.
March 17 » The Kingdom of Italy is proclaimed.
March 30 » Discovery of the chemical elements: Sir William Crookes announces his discovery of thallium.
June 8 » American Civil War: Tennessee secedes from the Union.
December 10 » American Civil War: The Confederate States of America accept a rival state government's pronouncement that declares Kentucky to be the 13th state of the Confederacy.
December 26 » American Civil War: The Trent Affair: Confederate diplomatic envoys James Murray Mason and John Slidell are freed by the United States government, thus heading off a possible war between the United States and the United Kingdom.
Day of death May 11, 1861
The temperature on May 11, 1861 was about 7.8 °C. There was 3 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. 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 21 » American Civil War: Jefferson Davis resigns from the United States Senate.
February 4 » American Civil War: In Montgomery, Alabama, delegates from six break-away U.S. states meet and form the Confederate States of America.
February 11 » American Civil War: The United States House of Representatives unanimously passes a resolution guaranteeing noninterference with slavery in any state.
October 17 » Aborigines kill Nineteen Europeans in the Cullin-la-ringo massacre.
December 10 » American Civil War: The Confederate States of America accept a rival state government's pronouncement that declares Kentucky to be the 13th state of the Confederacy.
December 21 » Medal of Honor: Public Resolution 82, containing a provision for a Navy Medal of Valor, is signed into law by President Abraham Lincoln.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099496274.php : accessed February 21, 2026), "Martinus Post (1861-1861)".
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