The temperature on January 19, 1863 was about 6.3 °C. There was 4 mm of rain. The air pressure was 28 kgf/m2 and came mainly from the northwest. The airpressure was 74 cm mercury. The atmospheric humidity was 82%. 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 17 » American Civil War: Grierson's Raid begins: Troops under Union Army Colonel Benjamin Grierson attack central Mississippi.
May 17 » Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
July 3 » American Civil War: The final day of the Battle of Gettysburg culminates with Pickett's Charge.
September 6 » American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.
October 29 » American Civil War: Battle of Wauhatchie: Forces under Union General Ulysses S. Grant repel a Confederate attack led by General James Longstreet. Union forces thus open a supply line into Chattanooga, Tennessee.
November 17 » American Civil War: Siege of Knoxville begins: Confederate forces led by General James Longstreet place Knoxville, Tennessee, under siege.
Day of death June 28, 1955
The temperature on June 28, 1955 was between 10.0 °C and 23.4 °C and averaged 17.3 °C. There was 6.7 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3393.php : accessed January 17, 2026), "Grietje Vallinga (1863-1955)".
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