The temperature on May 20, 1865 was about 23.7 °C. The air pressure was 7.5 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 49%. 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 18 » American Civil War: The Congress of the Confederate States adjourns for the last time.
March 29 » American Civil War: Federal forces under Major General Philip Sheridan move to flank Confederate forces under Robert E. Lee as the Appomattox Campaign begins.
April 12 » American Civil War: Mobile, Alabama, falls to the Union Army.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
May 5 » American Civil War: The Confederate government was declared dissolved at Washington, Georgia.
June 23 » American Civil War: At Fort Towson in the Oklahoma Territory, Confederate Brigadier General Stand Watie surrenders the last significant Confederate army.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I305.php : accessed January 27, 2026), "Evert Hafkamp".
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