The temperature on May 12, 1862 was about 12.0 °C. There was 0.4 mm of rain. The air pressure was 0.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 83%. Source: KNMI
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).
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.
February 5 » Moldavia and Wallachia formally unite to create the Romanian United Principalities.
February 15 » American Civil War: Confederates commanded by Brig. Gen. John B. Floyd attack General Ulysses S. Grant's Union forces Fort Donelson, Tennessee. Unable to break the fort's encirclement, Lloyd surrenders the following day.
April 16 » American Civil War: Battle at Lee's Mills in Virginia.
July 18 » First ascent of Dent Blanche, one of the highest summits in the Alps.
August 19 » American Indian Wars: During an uprising in Minnesota, Lakota warriors decide not to attack heavily defended Fort Ridgely and instead turn to the settlement of New Ulm, killing white settlers along the way.
September 17 » American Civil War: The Allegheny Arsenal explosion results in the single largest civilian disaster during the war.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18875.php : accessed January 26, 2026), "Susanna Louisa Opperman (1862-????)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.