The temperature on May 4, 1864 was about 11.1 °C. The air pressure was 6 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 34%. 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.
April 10 » Archduke Maximilian of Habsburg is proclaimed emperor of Mexico during the French intervention in Mexico.
April 18 » Battle of Dybbøl: A Prussian-Austrian army defeats Denmark and gains control of Schleswig. Denmark surrenders the province in the following peace settlement.
July 28 » American Civil War: Battle of Ezra Church: Confederate troops make a third unsuccessful attempt to drive Union forces from Atlanta, Georgia.
October 28 » American Civil War: A Union attack on the Confederate capital is repulsed.
December 10 » American Civil War: Sherman's March to the Sea: Major General William Tecumseh Sherman's Union Army troops reach the outer Confederate defenses of Savannah, Georgia.
December 22 » American Civil War: Savannah, Georgia, falls to the forces of General Sherman.
When copying data from this family tree, please include a reference to the origin: F. van Dijk, "Family tree Van Dijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_van_dijk/R569.php : accessed February 24, 2026), "Petrus Henricus Hamers (1864-????)".
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