The temperature on August 18, 1865 was about 17.7 °C. There was 8 mm of rain. The air pressure was 11 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 83%. 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.
March 4 » The third and final national flag of the Confederate States of America is adopted by the Confederate Congress.
April 1 » American Civil War: Union troops led by Philip Sheridan decisively defeat Confederate troops led by George Pickett, cutting the Army of Northern Virginia's last supply line.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
April 27 » The New York State Senate creates Cornell University as the state's land grant institution.
June 11 » The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
December 18 » US Secretary of State William Seward proclaims the adoption of the Thirteenth Amendment, prohibiting slavery throughout the USA.
Day of death May 6, 1867
The temperature on May 6, 1867 was about 23.7 °C. The air pressure was 2 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 47%. Source: KNMI
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).
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I46300.php : accessed October 20, 2026), "Janke de Swart (1865-1867)".
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