The temperature on September 21, 1863 was about 11.4 °C. There was 0.2 mm of rain. The air pressure was 7 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 84%. 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.
January 11 » American Civil War: Battle of Arkansas Post: General John McClernand and Admiral David Dixon Porter capture the Arkansas River for the Union.
May 1 » American Civil War: The Battle of Chancellorsville begins.
May 18 » American Civil War: The Siege of Vicksburg begins.
May 27 » American Civil War: First Assault on the Confederate works at the Siege of Port Hudson.
July 4 » American Civil War: The Army of Northern Virginia withdraws from the battlefield after losing the Battle of Gettysburg, signalling an end to the Confederate invasion of U.S. territory.
July 18 » American Civil War: Second Battle of Fort Wagner: One of the first formal African American military units, the 54th Massachusetts Volunteer Infantry, supported by several white regiments, attempts an unsuccessful assault on Confederate-held Battery Wagner.
Day of death May 17, 1907
The temperature on May 17, 1907 was between 2.9 °C and 11.4 °C and averaged 6.9 °C. There was 2.6 mm of rain. There was 5.2 hours of sunshine (33%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
July 29 » Sir Robert Baden-Powell sets up the Brownsea Island Scout camp in Poole Harbour on the south coast of England. The camp runs from August 1 to August 9 and is regarded as the foundation of the Scouting movement.
September 26 » Four months after the 1907 Imperial Conference, New Zealand and Newfoundland are promoted from colonies to dominions within the British Empire.
September 29 » The cornerstone is laid at the Cathedral Church of Saint Peter and Saint Paul (better known as Washington National Cathedral) in Washington, D.C.
October 9 » Las Cruces, New Mexico is incorporated.
December 17 » Ugyen Wangchuck is crowned first King of Bhutan.
December 21 » The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
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/I116903.php : accessed February 21, 2026), "Ybeltje Valks (1863-1907)".
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